- published: 19 Jul 2019
- views: 58015
Roche limit
The Roche limit (pronounced /ʁoʃ/ in IPA, similar to the sound of rosh), sometimes referred to as the Roche radius, is the distance within which a celestial body, held together only by its own gravity, will disintegrate due to a second celestial body's tidal forces exceeding the first body's gravitational self-attraction. Inside the Roche limit, orbiting material disperses and forms rings whereas outside the limit material tends to coalesce. The term is named after Édouard Roche, who is the French astronomer who first calculated this theoretical limit in 1848.
Explanation
Typically, the Roche limit applies to a satellite's disintegrating due to tidal forces induced by its primary, the body about which it orbits. Parts of the satellite that are closer to the primary are attracted more strongly by gravity from the primary than parts that are farther away; this disparity effectively pulls the near and far parts of the satellite apart from each other, and if the disparity (combined with any centrifugal effects due to the object's spin) is larger than the force of gravity holding the satellite together, it can pull the satellite apart. Some real satellites, both natural and artificial, can orbit within their Roche limits because they are held together by forces other than gravitation. Objects resting on the surface of such a satellite would be lifted away by tidal forces. A weaker satellite, such as a comet, could be broken up when it passes within its Roche limit.
This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Roche_limit
Podcasts:
-
Rings vs Moons: The Roche Limit
How tidal forces prevent rings from forming into moons.
published: 19 Jul 2019 -
Can We Combine All Planets Using Roche Limit? - Universe Sandbox²
Hello and welcome to What Da Math! In this video, we will talk about Roche limit and how it can break all of the planets apart. Patreon page: https://www.patreon.com/user?u=2318196&ty=h Classic t-shirt designs from before: https://amzn.to/3QFIrFX Enjoy and please subscribe. Other videos here: https://www.youtube.com/playlist?list=PL9hNFus3sjE7jgrGJYkZeTpR7lnyVAk-x Twitter: https://twitter.com/WhatDaMath Facebook: https://www.facebook.com/whatdamath Twitch: http://www.twitch.tv/whatdamath The video introduction made by Daniel Bates His YouTube channel with more of his work is here: https://www.youtube.com/mroutrochannel The new music theme made by Bogdan Bratis Check out his work here: http://www.bratis.uk/
published: 04 Apr 2017 -
How Close Can Moons Orbit? Understanding the Roche Limit
The Moon is our constant companion, shining away in the night. But how close could the Moon get before it's not a Moon any more? Before it's torn apart by the Earth's gravity and becomes a terrifying ring of orbital debris? Is Phobos Doomed? Find out here: http://www.youtube.com/watch?v=BJHRyjkmxss Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @universetoday Follow us on Tumblr: http://universetoday.tumblr.com/ Like us on Facebook: https://www.facebook.com/universetoday Google+ - https://plus.google.com/+universetoday/ Instagram - http://instagram.com/universetoday Team: Fraser Cain - @fcain Jason Harmer - @jasoncharmer Chad Weber - [email protected] Created by: Fraser Cain and Jason Harmer Edited by: Chad We...
published: 13 Aug 2016 -
(Final Boss) Two Planets Approach the Roche Limit - Kirby and the Forgotten Land OST [071]
Purchase Kirby and the Forgotten Land from Nintendo: https://www.nintendo.com/store/products/kirby-and-the-forgotten-land-switch/ Playlist: https://www.youtube.com/playlist?list=PLIpqsKgkQEvNiCJtfwvBd6FL0kiuxB_AL Game-Rip of the Kirby and the Forgotten Land Original Soundtrack, by Hirokazu Ando, Jun Ishikawa, Yuuta Ogasawara, and Yuki Shimooka. Thank you for tuning in to the Jam Output Entity!
published: 26 Mar 2022 -
The Roche Limit - The Gravitational Tug-of-War That Tears Apart Moons
Did you know that even the forces of gravity can rip apart moons? Today, we're diving into the fascinating phenomenon known as the Roche Limit! The Roche Limit is named after French astronomer Édouard Roche, who first calculated it in 1848. The Roche Limit is a critical distance from a celestial body, such as a planet or a star, at which tidal forces exceed the gravitational cohesion holding a smaller object, like a moon or a satellite, together. Tidal forces arise due to the difference in gravitational pull between the near and far sides of an object. This causes a stretching effect, leading to the disruption of the smaller body at the Roche Limit. If a moon orbits within its host planet's Roche Limit, it is at risk of disintegration over time. The Roche Limit explains the formation ...
published: 16 Jun 2023 -
Where Do Rings Come From? (The Roche Limit)
Go to https://brilliant.org/ScienceAsylum/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription. We all know Saturn has planetary rings, but other planets have them too. Where they come from? How are gravity and tidal forces involved? What is the Roche limit? Let's find out. Nick Lucid - Host, Writer, Editor, Animator Nora Bailey - Researcher, Fact Checker ________________________________ VIDEO ANNOTATIONS/CARDS Tidal Locking Explained: https://youtu.be/fivCstgXlDo ________________________________ SUPPORT THE SCIENCE ASYLUM Patreon: http://www.patreon.com/ScienceAsylum YouTube Membership: https://www.youtube.com/channel/UCXgNowiGxwwnLeQ7DXTwXPg/join Advanced Theoretical Physics (Paperback): http://www.lulu.com/shop/nick-lucid/advanced-theoretic...
published: 12 Jun 2023 -
Roche limit visualisation
A short visualisation of the Roche limit: watch the black planet rip the gray moon apart with tidal forces, creating a ring system.
published: 15 Jul 2014 -
What is Roche limit? #shorts
What is Roche limit? The Roche limit, also known as the Roche radius, is the minimum distance at which a celestial body, such as a planet or moon, can approach another body without being torn apart by tidal forces. It is named after the French astronomer Édouard Roche who first described it in 1848. The Roche limit depends on the density and size of the two bodies, as well as their relative masses and the distance between them. If a celestial body passes within its Roche limit, the gravitational force on its near side becomes stronger than the force on its far side, causing the body to elongate and eventually break apart due to tidal forces. The Roche limit has important implications for planetary rings and moons, as well as for understanding the formation and evolution of celestial bodi...
published: 17 Mar 2023 -
Two Planets Approach the Roche Limit WITH LYRICS - Kirby and the Forgotten Land Cover
Behold... the ultimate life-form. The manifestation of power and war themself. Know their name... Fecto Elfilis! CREDITS: Fecto Elfilis: Steel (https://www.youtube.com/channel/UCc6Bazuf3UGFwk4nxo-0bSw) Lyrics, Video: Juno Artwork: Juno, Steel Mix: Steel Original Song: Two Planets Approach the Roche Limit, by Hirokazu Ando Kirby and the Forgotten Land developed by HAL Laboratory, Inc., published by Nintendo === TWITTER: https://twitter.com/JunoSongsYT Have a suggestion? Send it here: https://forms.gle/K5Lv4aPQuAA1ZdqY9
published: 20 Aug 2023 -
Roche limit be like:
a cute video about dumb roche limit 😂
published: 06 Nov 2023
developed with YouTube
3:47
Rings vs Moons: The Roche Limit
- Order: Reorder
- Duration: 3:47
- Uploaded Date: 19 Jul 2019
- views: 58015
How tidal forces prevent rings from forming into moons.
How tidal forces prevent rings from forming into moons.
https://wn.com/Rings_Vs_Moons_The_Roche_Limit
How tidal forces prevent rings from forming into moons.
13:52
Can We Combine All Planets Using Roche Limit? - Universe Sandbox²
- Order: Reorder
- Duration: 13:52
- Uploaded Date: 04 Apr 2017
- views: 713549
Hello and welcome to What Da Math!
In this video, we will talk about Roche limit and how it can break all of the planets apart.
Patreon page:
https://www.patre...
Hello and welcome to What Da Math!
In this video, we will talk about Roche limit and how it can break all of the planets apart.
Patreon page:
https://www.patreon.com/user?u=2318196&ty=h
Classic t-shirt designs from before: https://amzn.to/3QFIrFX
Enjoy and please subscribe.
Other videos here: https://www.youtube.com/playlist?list=PL9hNFus3sjE7jgrGJYkZeTpR7lnyVAk-x
Twitter: https://twitter.com/WhatDaMath
Facebook: https://www.facebook.com/whatdamath
Twitch: http://www.twitch.tv/whatdamath
The video introduction made by Daniel Bates
His YouTube channel with more of his work is here: https://www.youtube.com/mroutrochannel
The new music theme made by Bogdan Bratis
Check out his work here: http://www.bratis.uk/
https://wn.com/Can_We_Combine_All_Planets_Using_Roche_Limit_Universe_Sandbox²
Hello and welcome to What Da Math!
In this video, we will talk about Roche limit and how it can break all of the planets apart.
Patreon page:
https://www.patreon.com/user?u=2318196&ty=h
Classic t-shirt designs from before: https://amzn.to/3QFIrFX
Enjoy and please subscribe.
Other videos here: https://www.youtube.com/playlist?list=PL9hNFus3sjE7jgrGJYkZeTpR7lnyVAk-x
Twitter: https://twitter.com/WhatDaMath
Facebook: https://www.facebook.com/whatdamath
Twitch: http://www.twitch.tv/whatdamath
The video introduction made by Daniel Bates
His YouTube channel with more of his work is here: https://www.youtube.com/mroutrochannel
The new music theme made by Bogdan Bratis
Check out his work here: http://www.bratis.uk/
- published: 04 Apr 2017
- views: 713549
6:14
How Close Can Moons Orbit? Understanding the Roche Limit
- Order: Reorder
- Duration: 6:14
- Uploaded Date: 13 Aug 2016
- views: 40310
The Moon is our constant companion, shining away in the night. But how close could the Moon get before it's not a Moon any more? Before it's torn apart by the E...
The Moon is our constant companion, shining away in the night. But how close could the Moon get before it's not a Moon any more? Before it's torn apart by the Earth's gravity and becomes a terrifying ring of orbital debris?
Is Phobos Doomed? Find out here: http://www.youtube.com/watch?v=BJHRyjkmxss
Support us at: http://www.patreon.com/universetoday
More stories at: http://www.universetoday.com/
Follow us on Twitter: @universetoday
Follow us on Tumblr: http://universetoday.tumblr.com/
Like us on Facebook: https://www.facebook.com/universetoday
Google+ - https://plus.google.com/+universetoday/
Instagram - http://instagram.com/universetoday
Team: Fraser Cain - @fcain
Jason Harmer - @jasoncharmer
Chad Weber - [email protected]
Created by: Fraser Cain and Jason Harmer
Edited by: Chad Weber
Music: Left Spine Down - “X-Ray”
https://www.youtube.com/watch?v=4tcoZNrSveE
The Moon is great and all, but I wish it was closer. Close enough that I could see all kinds of detail on its surface without a telescope or a pair of binoculars. Close enough that I could just reach up and grab enough cheese for a lifetime of grilled cheese sandwiches.
Sure, there would be all kinds of horrible problems with having the Moon that much closer. Intense tides, a total lack of good dark nights for stargazing, and something else...
Oh right, the total destruction of life on Earth. On second thought the Moon can stay right where it is, thank you very much.
The Earth’s Moon is located an average distance of 384,400 kilometers away. I say average because the Moon actually follows an elliptical orbit. At its closest point, it’s only 362,600 km, and at its furthest point, it’s 405,400 kilometers.
Still, that’s so far that it takes light a little over a second to reach the Moon, traveling almost 300,000 km/s. The Moon is far.
But what if the Moon was much closer? How close could it get and still be the Moon?
Once again, I need to remind you that this is purely theoretical. The Moon isn’t getting closer to us, in fact, it’s getting further. The Moon is slowly drifting away from us at a distance of almost 4 centimeters per year.
Let’s go back to the beginning, when the young Earth collided with a Mars-sized planet billions of years ago. This catastrophic encounter completely resurfaced planet Earth, and kicked up a massive amount of debris into orbit. Well, a Moon’s worth of debris, which collected together by mutual gravity into the roughly spherical Moon we recognize today.
Shortly after its formation, the Moon was much closer, and the Earth was spinning more rapidly. A day on Earth was only 6 hours long, and the Moon took just 17 days to orbit the Earth.
The Earth’s gravity stopped the Moon’s relative rotation, and the Moon’s gravity has been slowing the Earth’s rotation. To maintain the overall angular momentum of the system, the Moon has been drifting away to compensate.
This conservation of momentum is very important because it works both ways. As long as a moon takes longer than a day to orbit its planet, you’re going to see this same effect. The planet’s rotation slows, and the moon drifts further to compensate.
But if you have a scenario where the moon orbits faster than the planet rotates, you have the exact opposite situation.
The moon makes the planet rotate more quickly, and it drifts closer to compensate. This can’t end well.
Once you get close enough, gravity becomes a harsh mistress.
There’s a point in all gravitational interactions called the Roche Limit. This is the point at which an object held together by gravity (like the Moon), gets close enough to another celestial body that it gets torn apart.
The exact point depends on the mass, size and density of the two objects. For example, the Roche Limit between the Earth and the Moon is about 9,500 kilometers, assuming the Moon is a solid ball. In other words, if the Moon gets within 9,500 kilometers or so, of the Earth, the gravity of the Earth overwhelms the gravity holding the Moon together.
The Moon would be torn apart, and turned into a ring. And then the pieces of the ring would continue to orbit the Earth until they all came crashing down. When that happened, it would be a series of very bad days for anyone living on Earth.
If an average comet got within about 18,000 km of Earth, it would get torn to pieces. While the Sun can, and does, tear apart comets from about 1.3 million km away.
This sounds purely theoretical, but this is actually going to happen over at Mars. Its largest moon Phobos orbits more quickly than a Martian day, which means that it’s drifting closer and closer to the planet.
In a few million years, it’ll cross the Roche Limit, tear into a ring, and then all the pieces of the former Phobos will crash down onto Mars. We did a whole episode on this, and we’ll link it up here and in the description.
https://wn.com/How_Close_Can_Moons_Orbit_Understanding_The_Roche_Limit
The Moon is our constant companion, shining away in the night. But how close could the Moon get before it's not a Moon any more? Before it's torn apart by the Earth's gravity and becomes a terrifying ring of orbital debris?
Is Phobos Doomed? Find out here: http://www.youtube.com/watch?v=BJHRyjkmxss
Support us at: http://www.patreon.com/universetoday
More stories at: http://www.universetoday.com/
Follow us on Twitter: @universetoday
Follow us on Tumblr: http://universetoday.tumblr.com/
Like us on Facebook: https://www.facebook.com/universetoday
Google+ - https://plus.google.com/+universetoday/
Instagram - http://instagram.com/universetoday
Team: Fraser Cain - @fcain
Jason Harmer - @jasoncharmer
Chad Weber - [email protected]
Created by: Fraser Cain and Jason Harmer
Edited by: Chad Weber
Music: Left Spine Down - “X-Ray”
https://www.youtube.com/watch?v=4tcoZNrSveE
The Moon is great and all, but I wish it was closer. Close enough that I could see all kinds of detail on its surface without a telescope or a pair of binoculars. Close enough that I could just reach up and grab enough cheese for a lifetime of grilled cheese sandwiches.
Sure, there would be all kinds of horrible problems with having the Moon that much closer. Intense tides, a total lack of good dark nights for stargazing, and something else...
Oh right, the total destruction of life on Earth. On second thought the Moon can stay right where it is, thank you very much.
The Earth’s Moon is located an average distance of 384,400 kilometers away. I say average because the Moon actually follows an elliptical orbit. At its closest point, it’s only 362,600 km, and at its furthest point, it’s 405,400 kilometers.
Still, that’s so far that it takes light a little over a second to reach the Moon, traveling almost 300,000 km/s. The Moon is far.
But what if the Moon was much closer? How close could it get and still be the Moon?
Once again, I need to remind you that this is purely theoretical. The Moon isn’t getting closer to us, in fact, it’s getting further. The Moon is slowly drifting away from us at a distance of almost 4 centimeters per year.
Let’s go back to the beginning, when the young Earth collided with a Mars-sized planet billions of years ago. This catastrophic encounter completely resurfaced planet Earth, and kicked up a massive amount of debris into orbit. Well, a Moon’s worth of debris, which collected together by mutual gravity into the roughly spherical Moon we recognize today.
Shortly after its formation, the Moon was much closer, and the Earth was spinning more rapidly. A day on Earth was only 6 hours long, and the Moon took just 17 days to orbit the Earth.
The Earth’s gravity stopped the Moon’s relative rotation, and the Moon’s gravity has been slowing the Earth’s rotation. To maintain the overall angular momentum of the system, the Moon has been drifting away to compensate.
This conservation of momentum is very important because it works both ways. As long as a moon takes longer than a day to orbit its planet, you’re going to see this same effect. The planet’s rotation slows, and the moon drifts further to compensate.
But if you have a scenario where the moon orbits faster than the planet rotates, you have the exact opposite situation.
The moon makes the planet rotate more quickly, and it drifts closer to compensate. This can’t end well.
Once you get close enough, gravity becomes a harsh mistress.
There’s a point in all gravitational interactions called the Roche Limit. This is the point at which an object held together by gravity (like the Moon), gets close enough to another celestial body that it gets torn apart.
The exact point depends on the mass, size and density of the two objects. For example, the Roche Limit between the Earth and the Moon is about 9,500 kilometers, assuming the Moon is a solid ball. In other words, if the Moon gets within 9,500 kilometers or so, of the Earth, the gravity of the Earth overwhelms the gravity holding the Moon together.
The Moon would be torn apart, and turned into a ring. And then the pieces of the ring would continue to orbit the Earth until they all came crashing down. When that happened, it would be a series of very bad days for anyone living on Earth.
If an average comet got within about 18,000 km of Earth, it would get torn to pieces. While the Sun can, and does, tear apart comets from about 1.3 million km away.
This sounds purely theoretical, but this is actually going to happen over at Mars. Its largest moon Phobos orbits more quickly than a Martian day, which means that it’s drifting closer and closer to the planet.
In a few million years, it’ll cross the Roche Limit, tear into a ring, and then all the pieces of the former Phobos will crash down onto Mars. We did a whole episode on this, and we’ll link it up here and in the description.
- published: 13 Aug 2016
- views: 40310
8:14
(Final Boss) Two Planets Approach the Roche Limit - Kirby and the Forgotten Land OST [071]
- Order: Reorder
- Duration: 8:14
- Uploaded Date: 26 Mar 2022
- views: 2358228
Purchase Kirby and the Forgotten Land from Nintendo: https://www.nintendo.com/store/products/kirby-and-the-forgotten-land-switch/
Playlist: https://www.youtube....
Purchase Kirby and the Forgotten Land from Nintendo: https://www.nintendo.com/store/products/kirby-and-the-forgotten-land-switch/
Playlist: https://www.youtube.com/playlist?list=PLIpqsKgkQEvNiCJtfwvBd6FL0kiuxB_AL
Game-Rip of the Kirby and the Forgotten Land Original Soundtrack, by Hirokazu Ando, Jun Ishikawa, Yuuta Ogasawara, and Yuki Shimooka.
Thank you for tuning in to the Jam Output Entity!
https://wn.com/(Final_Boss)_Two_Planets_Approach_The_Roche_Limit_Kirby_And_The_Forgotten_Land_Ost_071
Purchase Kirby and the Forgotten Land from Nintendo: https://www.nintendo.com/store/products/kirby-and-the-forgotten-land-switch/
Playlist: https://www.youtube.com/playlist?list=PLIpqsKgkQEvNiCJtfwvBd6FL0kiuxB_AL
Game-Rip of the Kirby and the Forgotten Land Original Soundtrack, by Hirokazu Ando, Jun Ishikawa, Yuuta Ogasawara, and Yuki Shimooka.
Thank you for tuning in to the Jam Output Entity!
- published: 26 Mar 2022
- views: 2358228
1:00
The Roche Limit - The Gravitational Tug-of-War That Tears Apart Moons
- Order: Reorder
- Duration: 1:00
- Uploaded Date: 16 Jun 2023
- views: 64911
Did you know that even the forces of gravity can rip apart moons? Today, we're diving into the fascinating phenomenon known as the Roche Limit!
The Roche Limit...
Did you know that even the forces of gravity can rip apart moons? Today, we're diving into the fascinating phenomenon known as the Roche Limit!
The Roche Limit is named after French astronomer Édouard Roche, who first calculated it in 1848.
The Roche Limit is a critical distance from a celestial body, such as a planet or a star, at which tidal forces exceed the gravitational cohesion holding a smaller object, like a moon or a satellite, together.
Tidal forces arise due to the difference in gravitational pull between the near and far sides of an object. This causes a stretching effect, leading to the disruption of the smaller body at the Roche Limit.
If a moon orbits within its host planet's Roche Limit, it is at risk of disintegration over time.
The Roche Limit explains the formation and structure of planetary rings, such as those around Saturn, Uranus, and Neptune.
_________________________
Source of Visuals (Credits):
NASA
BBC
NATIONAL GEOGRAPHIC
_________________________
#space #nasa #spacex #astro #cosmos #esa #hubble #wormhole #astronomy #physics #simulation #astrophysics #halloween #cosmology #space #science #sciencememes #future #multiverse #spacelovers #universe #videogames #nasa #game #earth #physics #physicsmemes #cosmos #stars #star #technology #spacelover #astrophile #blackhole #solarsystem #sun #astronomy #size #simulation #universe #galaxy #milkyway #phoenix #physics #science #cosmos #star #earth #moon #rochelimit
https://wn.com/The_Roche_Limit_The_Gravitational_Tug_Of_War_That_Tears_Apart_Moons
Did you know that even the forces of gravity can rip apart moons? Today, we're diving into the fascinating phenomenon known as the Roche Limit!
The Roche Limit is named after French astronomer Édouard Roche, who first calculated it in 1848.
The Roche Limit is a critical distance from a celestial body, such as a planet or a star, at which tidal forces exceed the gravitational cohesion holding a smaller object, like a moon or a satellite, together.
Tidal forces arise due to the difference in gravitational pull between the near and far sides of an object. This causes a stretching effect, leading to the disruption of the smaller body at the Roche Limit.
If a moon orbits within its host planet's Roche Limit, it is at risk of disintegration over time.
The Roche Limit explains the formation and structure of planetary rings, such as those around Saturn, Uranus, and Neptune.
_________________________
Source of Visuals (Credits):
NASA
BBC
NATIONAL GEOGRAPHIC
_________________________
#space #nasa #spacex #astro #cosmos #esa #hubble #wormhole #astronomy #physics #simulation #astrophysics #halloween #cosmology #space #science #sciencememes #future #multiverse #spacelovers #universe #videogames #nasa #game #earth #physics #physicsmemes #cosmos #stars #star #technology #spacelover #astrophile #blackhole #solarsystem #sun #astronomy #size #simulation #universe #galaxy #milkyway #phoenix #physics #science #cosmos #star #earth #moon #rochelimit
- published: 16 Jun 2023
- views: 64911
10:01
Where Do Rings Come From? (The Roche Limit)
- Order: Reorder
- Duration: 10:01
- Uploaded Date: 12 Jun 2023
- views: 79306
Go to https://brilliant.org/ScienceAsylum/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription.
We all know Saturn has...
Go to https://brilliant.org/ScienceAsylum/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription.
We all know Saturn has planetary rings, but other planets have them too. Where they come from? How are gravity and tidal forces involved? What is the Roche limit? Let's find out.
Nick Lucid - Host, Writer, Editor, Animator
Nora Bailey - Researcher, Fact Checker
________________________________
VIDEO ANNOTATIONS/CARDS
Tidal Locking Explained:
https://youtu.be/fivCstgXlDo
________________________________
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SOURCES
History:
https://www.oxfordreference.com/display/10.1093/oi/authority.20110803100425308
https://www.britannica.com/science/Roche-limit
https://www2.jpl.nasa.gov/saturn/back.html
https://www.nasa.gov/multimedia/imagegallery/image_feature_995.html
Articles and Info:
https://www.nasa.gov/feature/goddard/phobos-is-falling-apart
https://solarsystem.nasa.gov/news/813/nasas-cassini-data-show-saturns-rings-relatively-new/
https://solarsystem.nasa.gov/news/794/nasa-research-reveals-saturn-is-losing-its-rings-at-worst-case-scenario-rate/
https://www.esa.int/Science_Exploration/Space_Science/Cheops/ESA_s_Cheops_finds_an_unexpected_ring_around_dwarf_planet_Quaoar
https://www2.jpl.nasa.gov/saturn/faq.html
https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/ring-a-round-the-saturn.html
https://www.planetary.org/articles/20130626-earths-skies-saturns-rings
https://www.planetary.org/articles/how-do-planets-get-rings
https://skyandtelescope.org/astronomy-news/why-are-jupiters-rings-so-thin/
Books:
"An Introduction to Modern Astrophysics," Carroll and Ostlie (2007)
Scientific Papers:
https://doi.org/10.1111/j.1365-2966.2012.21328.x
https://doi.org/10.1017/9781316286791.018
https://doi.org/10.1126/science.abn1234
https://doi.org/10.1038/35089010
https://doi.org/10.1016/j.icarus.2010.01.025
https://doi.org/10.1016/0019-1035(90)90020-A
https://articles.adsabs.harvard.edu/pdf/1916JRASC..10..473C
https://doi.org/10.1126/science.284.5417.1146
________________________________
LINKS TO COMMENTS
https://www.youtube.com/watch?v=zS2vI_2faII&lc=Ugx2pMT2eucn5xmt0qZ4AaABAg
https://www.youtube.com/watch?v=zS2vI_2faII&lc=Ugwn7YzUH_MOGJVRqZx4AaABAg
________________________________
IMAGE/VIDEO CREDITS
Saturn Edge-On:
https://images.nasa.gov/details/PIA01272
Image of Phobos:
https://mars.nasa.gov/resources/6989/mars-moon-phobos/
Moon Formation Sim:
https://www.nasa.gov/feature/ames/lunar-origins-simulations
Comet Lovejoy:
https://soho.nascom.nasa.gov/hotshots/2011_12_12/
Cassini Simulations:
https://solarsystem.nasa.gov/resources/17747/cassini-the-wonder-of-saturn-video/
Big Bang Simulation:
https://svs.gsfc.nasa.gov/12656
Solar System Formation:
https://svs.gsfc.nasa.gov/10659
People:
https://commons.wikimedia.org/wiki/File:%C3%89douard_Roche.jpg
https://commons.wikimedia.org/wiki/File:Christiaan_Huygens-painting.jpeg
https://commons.wikimedia.org/wiki/File:Justus_Sustermans_-_Portrait_of_Galileo_Galilei,_1636.jpg
________________________________
TIME CODES
00:00 Cold Open
00:48 History
02:30 Earth's Moon
03:00 Mars and Phobos
03:27 Tidal Forces Explained
04:13 Why does it break apart?
05:26 Roche Limit
06:22 Assumptions
07:05 Summary
08:04 What if Earth had rings?
08:35 Sponsor Message
09:42 Featured Comment
https://wn.com/Where_Do_Rings_Come_From_(The_Roche_Limit)
Go to https://brilliant.org/ScienceAsylum/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription.
We all know Saturn has planetary rings, but other planets have them too. Where they come from? How are gravity and tidal forces involved? What is the Roche limit? Let's find out.
Nick Lucid - Host, Writer, Editor, Animator
Nora Bailey - Researcher, Fact Checker
________________________________
VIDEO ANNOTATIONS/CARDS
Tidal Locking Explained:
https://youtu.be/fivCstgXlDo
________________________________
SUPPORT THE SCIENCE ASYLUM
Patreon:
http://www.patreon.com/ScienceAsylum
YouTube Membership:
https://www.youtube.com/channel/UCXgNowiGxwwnLeQ7DXTwXPg/join
Advanced Theoretical Physics (Paperback):
http://www.lulu.com/shop/nick-lucid/advanced-theoretical-physics-a-historical-perspective/paperback/product-24250687.html
Advanced Theoretical Physics (eBook):
https://gumroad.com/l/ubSc
Merchandise:
http://shop.spreadshirt.com/scienceasylum/
________________________________
HUGE THANK YOU TO THESE SUPPORTERS
Asylum Counselors:
Bosphorus
Asylum Orderlies:
Dhruv Singhal, Medec Hurtz
Einsteinium Crazies:
Benjamin Sharef, Eoin O'Sullivan, Ilya Yashin, Jonathan Lima, Joseph Salomone, Kevin Flanagan, Sean K, YouTubeviewer2014
Plutonium Crazies:
Al Davis, Compuart, Ellis Hall, Fabio Manzini, Kevin MacLean, LT Marshall, Rick Myers, Vid Icarus
Platinum Crazies:
Christopher Bennett, Christopher Little, Clayton Bruckert, David Johnston, Jonathan Reel, Joshua Gallagher, Marino Hernandez, Mikayla Eckel Cifrese, Mr. Orn Jonasar, Olga ooperman, Thomas V Lohmeier
________________________________
SOURCES
History:
https://www.oxfordreference.com/display/10.1093/oi/authority.20110803100425308
https://www.britannica.com/science/Roche-limit
https://www2.jpl.nasa.gov/saturn/back.html
https://www.nasa.gov/multimedia/imagegallery/image_feature_995.html
Articles and Info:
https://www.nasa.gov/feature/goddard/phobos-is-falling-apart
https://solarsystem.nasa.gov/news/813/nasas-cassini-data-show-saturns-rings-relatively-new/
https://solarsystem.nasa.gov/news/794/nasa-research-reveals-saturn-is-losing-its-rings-at-worst-case-scenario-rate/
https://www.esa.int/Science_Exploration/Space_Science/Cheops/ESA_s_Cheops_finds_an_unexpected_ring_around_dwarf_planet_Quaoar
https://www2.jpl.nasa.gov/saturn/faq.html
https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/ring-a-round-the-saturn.html
https://www.planetary.org/articles/20130626-earths-skies-saturns-rings
https://www.planetary.org/articles/how-do-planets-get-rings
https://skyandtelescope.org/astronomy-news/why-are-jupiters-rings-so-thin/
Books:
"An Introduction to Modern Astrophysics," Carroll and Ostlie (2007)
Scientific Papers:
https://doi.org/10.1111/j.1365-2966.2012.21328.x
https://doi.org/10.1017/9781316286791.018
https://doi.org/10.1126/science.abn1234
https://doi.org/10.1038/35089010
https://doi.org/10.1016/j.icarus.2010.01.025
https://doi.org/10.1016/0019-1035(90)90020-A
https://articles.adsabs.harvard.edu/pdf/1916JRASC..10..473C
https://doi.org/10.1126/science.284.5417.1146
________________________________
LINKS TO COMMENTS
https://www.youtube.com/watch?v=zS2vI_2faII&lc=Ugx2pMT2eucn5xmt0qZ4AaABAg
https://www.youtube.com/watch?v=zS2vI_2faII&lc=Ugwn7YzUH_MOGJVRqZx4AaABAg
________________________________
IMAGE/VIDEO CREDITS
Saturn Edge-On:
https://images.nasa.gov/details/PIA01272
Image of Phobos:
https://mars.nasa.gov/resources/6989/mars-moon-phobos/
Moon Formation Sim:
https://www.nasa.gov/feature/ames/lunar-origins-simulations
Comet Lovejoy:
https://soho.nascom.nasa.gov/hotshots/2011_12_12/
Cassini Simulations:
https://solarsystem.nasa.gov/resources/17747/cassini-the-wonder-of-saturn-video/
Big Bang Simulation:
https://svs.gsfc.nasa.gov/12656
Solar System Formation:
https://svs.gsfc.nasa.gov/10659
People:
https://commons.wikimedia.org/wiki/File:%C3%89douard_Roche.jpg
https://commons.wikimedia.org/wiki/File:Christiaan_Huygens-painting.jpeg
https://commons.wikimedia.org/wiki/File:Justus_Sustermans_-_Portrait_of_Galileo_Galilei,_1636.jpg
________________________________
TIME CODES
00:00 Cold Open
00:48 History
02:30 Earth's Moon
03:00 Mars and Phobos
03:27 Tidal Forces Explained
04:13 Why does it break apart?
05:26 Roche Limit
06:22 Assumptions
07:05 Summary
08:04 What if Earth had rings?
08:35 Sponsor Message
09:42 Featured Comment
- published: 12 Jun 2023
- views: 79306
1:11
Roche limit visualisation
- Order: Reorder
- Duration: 1:11
- Uploaded Date: 15 Jul 2014
- views: 41755
A short visualisation of the Roche limit: watch the black planet rip the gray moon apart with tidal forces, creating a ring system.
A short visualisation of the Roche limit: watch the black planet rip the gray moon apart with tidal forces, creating a ring system.
https://wn.com/Roche_Limit_Visualisation
A short visualisation of the Roche limit: watch the black planet rip the gray moon apart with tidal forces, creating a ring system.
- published: 15 Jul 2014
- views: 41755
0:53
What is Roche limit? #shorts
- Order: Reorder
- Duration: 0:53
- Uploaded Date: 17 Mar 2023
- views: 1581
What is Roche limit?
The Roche limit, also known as the Roche radius, is the minimum distance at which a celestial body, such as a planet or moon, can approach...
What is Roche limit?
The Roche limit, also known as the Roche radius, is the minimum distance at which a celestial body, such as a planet or moon, can approach another body without being torn apart by tidal forces. It is named after the French astronomer Édouard Roche who first described it in 1848.
The Roche limit depends on the density and size of the two bodies, as well as their relative masses and the distance between them. If a celestial body passes within its Roche limit, the gravitational force on its near side becomes stronger than the force on its far side, causing the body to elongate and eventually break apart due to tidal forces. The Roche limit has important implications for planetary rings and moons, as well as for understanding the formation and evolution of celestial bodies in our solar system and beyond.
#shorts #rochelimit #spacein1minute
https://wn.com/What_Is_Roche_Limit_Shorts
What is Roche limit?
The Roche limit, also known as the Roche radius, is the minimum distance at which a celestial body, such as a planet or moon, can approach another body without being torn apart by tidal forces. It is named after the French astronomer Édouard Roche who first described it in 1848.
The Roche limit depends on the density and size of the two bodies, as well as their relative masses and the distance between them. If a celestial body passes within its Roche limit, the gravitational force on its near side becomes stronger than the force on its far side, causing the body to elongate and eventually break apart due to tidal forces. The Roche limit has important implications for planetary rings and moons, as well as for understanding the formation and evolution of celestial bodies in our solar system and beyond.
#shorts #rochelimit #spacein1minute
- published: 17 Mar 2023
- views: 1581
8:17
Two Planets Approach the Roche Limit WITH LYRICS - Kirby and the Forgotten Land Cover
- Order: Reorder
- Duration: 8:17
- Uploaded Date: 20 Aug 2023
- views: 559180
Behold... the ultimate life-form. The manifestation of power and war themself. Know their name... Fecto Elfilis!
CREDITS:
Fecto Elfilis: Steel (https://www.yo...
Behold... the ultimate life-form. The manifestation of power and war themself. Know their name... Fecto Elfilis!
CREDITS:
Fecto Elfilis: Steel (https://www.youtube.com/channel/UCc6Bazuf3UGFwk4nxo-0bSw)
Lyrics, Video: Juno
Artwork: Juno, Steel
Mix: Steel
Original Song: Two Planets Approach the Roche Limit, by Hirokazu Ando
Kirby and the Forgotten Land developed by HAL Laboratory, Inc., published by Nintendo
===
TWITTER: https://twitter.com/JunoSongsYT
Have a suggestion? Send it here: https://forms.gle/K5Lv4aPQuAA1ZdqY9
https://wn.com/Two_Planets_Approach_The_Roche_Limit_With_Lyrics_Kirby_And_The_Forgotten_Land_Cover
Behold... the ultimate life-form. The manifestation of power and war themself. Know their name... Fecto Elfilis!
CREDITS:
Fecto Elfilis: Steel (https://www.youtube.com/channel/UCc6Bazuf3UGFwk4nxo-0bSw)
Lyrics, Video: Juno
Artwork: Juno, Steel
Mix: Steel
Original Song: Two Planets Approach the Roche Limit, by Hirokazu Ando
Kirby and the Forgotten Land developed by HAL Laboratory, Inc., published by Nintendo
===
TWITTER: https://twitter.com/JunoSongsYT
Have a suggestion? Send it here: https://forms.gle/K5Lv4aPQuAA1ZdqY9
- published: 20 Aug 2023
- views: 559180
0:29
Roche limit be like:
- Order: Reorder
- Duration: 0:29
- Uploaded Date: 06 Nov 2023
- views: 5830
a cute video about dumb roche limit 😂
a cute video about dumb roche limit 😂
https://wn.com/Roche_Limit_Be_Like
a cute video about dumb roche limit 😂
- published: 06 Nov 2023
- views: 5830
3:47
Rings vs Moons: The Roche Limit
How tidal forces prevent rings from forming into moons.
published: 19 Jul 2019
Rings vs Moons: The Roche Limit
Rings vs Moons: The Roche Limit
- Report rights infringement
- published: 19 Jul 2019
- views: 58015
How tidal forces prevent rings from forming into moons.
13:52
Can We Combine All Planets Using Roche Limit? - Universe Sandbox²
Hello and welcome to What Da Math!
In this video, we will talk about Roche limit and how i...
published: 04 Apr 2017
Can We Combine All Planets Using Roche Limit? - Universe Sandbox²
Can We Combine All Planets Using Roche Limit? - Universe Sandbox²
- Report rights infringement
- published: 04 Apr 2017
- views: 713549
Hello and welcome to What Da Math!
In this video, we will talk about Roche limit and how it can break all of the planets apart.
Patreon page:
https://www.patreon.com/user?u=2318196&ty=h
Classic t-shirt designs from before: https://amzn.to/3QFIrFX
Enjoy and please subscribe.
Other videos here: https://www.youtube.com/playlist?list=PL9hNFus3sjE7jgrGJYkZeTpR7lnyVAk-x
Twitter: https://twitter.com/WhatDaMath
Facebook: https://www.facebook.com/whatdamath
Twitch: http://www.twitch.tv/whatdamath
The video introduction made by Daniel Bates
His YouTube channel with more of his work is here: https://www.youtube.com/mroutrochannel
The new music theme made by Bogdan Bratis
Check out his work here: http://www.bratis.uk/
6:14
How Close Can Moons Orbit? Understanding the Roche Limit
The Moon is our constant companion, shining away in the night. But how close could the Moo...
published: 13 Aug 2016
How Close Can Moons Orbit? Understanding the Roche Limit
How Close Can Moons Orbit? Understanding the Roche Limit
- Report rights infringement
- published: 13 Aug 2016
- views: 40310
The Moon is our constant companion, shining away in the night. But how close could the Moon get before it's not a Moon any more? Before it's torn apart by the Earth's gravity and becomes a terrifying ring of orbital debris?
Is Phobos Doomed? Find out here: http://www.youtube.com/watch?v=BJHRyjkmxss
Support us at: http://www.patreon.com/universetoday
More stories at: http://www.universetoday.com/
Follow us on Twitter: @universetoday
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Team: Fraser Cain - @fcain
Jason Harmer - @jasoncharmer
Chad Weber - [email protected]
Created by: Fraser Cain and Jason Harmer
Edited by: Chad Weber
Music: Left Spine Down - “X-Ray”
https://www.youtube.com/watch?v=4tcoZNrSveE
The Moon is great and all, but I wish it was closer. Close enough that I could see all kinds of detail on its surface without a telescope or a pair of binoculars. Close enough that I could just reach up and grab enough cheese for a lifetime of grilled cheese sandwiches.
Sure, there would be all kinds of horrible problems with having the Moon that much closer. Intense tides, a total lack of good dark nights for stargazing, and something else...
Oh right, the total destruction of life on Earth. On second thought the Moon can stay right where it is, thank you very much.
The Earth’s Moon is located an average distance of 384,400 kilometers away. I say average because the Moon actually follows an elliptical orbit. At its closest point, it’s only 362,600 km, and at its furthest point, it’s 405,400 kilometers.
Still, that’s so far that it takes light a little over a second to reach the Moon, traveling almost 300,000 km/s. The Moon is far.
But what if the Moon was much closer? How close could it get and still be the Moon?
Once again, I need to remind you that this is purely theoretical. The Moon isn’t getting closer to us, in fact, it’s getting further. The Moon is slowly drifting away from us at a distance of almost 4 centimeters per year.
Let’s go back to the beginning, when the young Earth collided with a Mars-sized planet billions of years ago. This catastrophic encounter completely resurfaced planet Earth, and kicked up a massive amount of debris into orbit. Well, a Moon’s worth of debris, which collected together by mutual gravity into the roughly spherical Moon we recognize today.
Shortly after its formation, the Moon was much closer, and the Earth was spinning more rapidly. A day on Earth was only 6 hours long, and the Moon took just 17 days to orbit the Earth.
The Earth’s gravity stopped the Moon’s relative rotation, and the Moon’s gravity has been slowing the Earth’s rotation. To maintain the overall angular momentum of the system, the Moon has been drifting away to compensate.
This conservation of momentum is very important because it works both ways. As long as a moon takes longer than a day to orbit its planet, you’re going to see this same effect. The planet’s rotation slows, and the moon drifts further to compensate.
But if you have a scenario where the moon orbits faster than the planet rotates, you have the exact opposite situation.
The moon makes the planet rotate more quickly, and it drifts closer to compensate. This can’t end well.
Once you get close enough, gravity becomes a harsh mistress.
There’s a point in all gravitational interactions called the Roche Limit. This is the point at which an object held together by gravity (like the Moon), gets close enough to another celestial body that it gets torn apart.
The exact point depends on the mass, size and density of the two objects. For example, the Roche Limit between the Earth and the Moon is about 9,500 kilometers, assuming the Moon is a solid ball. In other words, if the Moon gets within 9,500 kilometers or so, of the Earth, the gravity of the Earth overwhelms the gravity holding the Moon together.
The Moon would be torn apart, and turned into a ring. And then the pieces of the ring would continue to orbit the Earth until they all came crashing down. When that happened, it would be a series of very bad days for anyone living on Earth.
If an average comet got within about 18,000 km of Earth, it would get torn to pieces. While the Sun can, and does, tear apart comets from about 1.3 million km away.
This sounds purely theoretical, but this is actually going to happen over at Mars. Its largest moon Phobos orbits more quickly than a Martian day, which means that it’s drifting closer and closer to the planet.
In a few million years, it’ll cross the Roche Limit, tear into a ring, and then all the pieces of the former Phobos will crash down onto Mars. We did a whole episode on this, and we’ll link it up here and in the description.
8:14
(Final Boss) Two Planets Approach the Roche Limit - Kirby and the Forgotten Land OST [071]
Purchase Kirby and the Forgotten Land from Nintendo: https://www.nintendo.com/store/produc...
published: 26 Mar 2022
(Final Boss) Two Planets Approach the Roche Limit - Kirby and the Forgotten Land OST [071]
(Final Boss) Two Planets Approach the Roche Limit - Kirby and the Forgotten Land OST [071]
- Report rights infringement
- published: 26 Mar 2022
- views: 2358228
Purchase Kirby and the Forgotten Land from Nintendo: https://www.nintendo.com/store/products/kirby-and-the-forgotten-land-switch/
Playlist: https://www.youtube.com/playlist?list=PLIpqsKgkQEvNiCJtfwvBd6FL0kiuxB_AL
Game-Rip of the Kirby and the Forgotten Land Original Soundtrack, by Hirokazu Ando, Jun Ishikawa, Yuuta Ogasawara, and Yuki Shimooka.
Thank you for tuning in to the Jam Output Entity!
1:00
The Roche Limit - The Gravitational Tug-of-War That Tears Apart Moons
Did you know that even the forces of gravity can rip apart moons? Today, we're diving into...
published: 16 Jun 2023
The Roche Limit - The Gravitational Tug-of-War That Tears Apart Moons
The Roche Limit - The Gravitational Tug-of-War That Tears Apart Moons
- Report rights infringement
- published: 16 Jun 2023
- views: 64911
Did you know that even the forces of gravity can rip apart moons? Today, we're diving into the fascinating phenomenon known as the Roche Limit!
The Roche Limit is named after French astronomer Édouard Roche, who first calculated it in 1848.
The Roche Limit is a critical distance from a celestial body, such as a planet or a star, at which tidal forces exceed the gravitational cohesion holding a smaller object, like a moon or a satellite, together.
Tidal forces arise due to the difference in gravitational pull between the near and far sides of an object. This causes a stretching effect, leading to the disruption of the smaller body at the Roche Limit.
If a moon orbits within its host planet's Roche Limit, it is at risk of disintegration over time.
The Roche Limit explains the formation and structure of planetary rings, such as those around Saturn, Uranus, and Neptune.
_________________________
Source of Visuals (Credits):
NASA
BBC
NATIONAL GEOGRAPHIC
_________________________
#space #nasa #spacex #astro #cosmos #esa #hubble #wormhole #astronomy #physics #simulation #astrophysics #halloween #cosmology #space #science #sciencememes #future #multiverse #spacelovers #universe #videogames #nasa #game #earth #physics #physicsmemes #cosmos #stars #star #technology #spacelover #astrophile #blackhole #solarsystem #sun #astronomy #size #simulation #universe #galaxy #milkyway #phoenix #physics #science #cosmos #star #earth #moon #rochelimit
10:01
Where Do Rings Come From? (The Roche Limit)
Go to https://brilliant.org/ScienceAsylum/ to get a 30-day free trial + the first 200 peop...
published: 12 Jun 2023
Where Do Rings Come From? (The Roche Limit)
Where Do Rings Come From? (The Roche Limit)
- Report rights infringement
- published: 12 Jun 2023
- views: 79306
Go to https://brilliant.org/ScienceAsylum/ to get a 30-day free trial + the first 200 people will get 20% off their annual subscription.
We all know Saturn has planetary rings, but other planets have them too. Where they come from? How are gravity and tidal forces involved? What is the Roche limit? Let's find out.
Nick Lucid - Host, Writer, Editor, Animator
Nora Bailey - Researcher, Fact Checker
________________________________
VIDEO ANNOTATIONS/CARDS
Tidal Locking Explained:
https://youtu.be/fivCstgXlDo
________________________________
SUPPORT THE SCIENCE ASYLUM
Patreon:
http://www.patreon.com/ScienceAsylum
YouTube Membership:
https://www.youtube.com/channel/UCXgNowiGxwwnLeQ7DXTwXPg/join
Advanced Theoretical Physics (Paperback):
http://www.lulu.com/shop/nick-lucid/advanced-theoretical-physics-a-historical-perspective/paperback/product-24250687.html
Advanced Theoretical Physics (eBook):
https://gumroad.com/l/ubSc
Merchandise:
http://shop.spreadshirt.com/scienceasylum/
________________________________
HUGE THANK YOU TO THESE SUPPORTERS
Asylum Counselors:
Bosphorus
Asylum Orderlies:
Dhruv Singhal, Medec Hurtz
Einsteinium Crazies:
Benjamin Sharef, Eoin O'Sullivan, Ilya Yashin, Jonathan Lima, Joseph Salomone, Kevin Flanagan, Sean K, YouTubeviewer2014
Plutonium Crazies:
Al Davis, Compuart, Ellis Hall, Fabio Manzini, Kevin MacLean, LT Marshall, Rick Myers, Vid Icarus
Platinum Crazies:
Christopher Bennett, Christopher Little, Clayton Bruckert, David Johnston, Jonathan Reel, Joshua Gallagher, Marino Hernandez, Mikayla Eckel Cifrese, Mr. Orn Jonasar, Olga ooperman, Thomas V Lohmeier
________________________________
SOURCES
History:
https://www.oxfordreference.com/display/10.1093/oi/authority.20110803100425308
https://www.britannica.com/science/Roche-limit
https://www2.jpl.nasa.gov/saturn/back.html
https://www.nasa.gov/multimedia/imagegallery/image_feature_995.html
Articles and Info:
https://www.nasa.gov/feature/goddard/phobos-is-falling-apart
https://solarsystem.nasa.gov/news/813/nasas-cassini-data-show-saturns-rings-relatively-new/
https://solarsystem.nasa.gov/news/794/nasa-research-reveals-saturn-is-losing-its-rings-at-worst-case-scenario-rate/
https://www.esa.int/Science_Exploration/Space_Science/Cheops/ESA_s_Cheops_finds_an_unexpected_ring_around_dwarf_planet_Quaoar
https://www2.jpl.nasa.gov/saturn/faq.html
https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/ring-a-round-the-saturn.html
https://www.planetary.org/articles/20130626-earths-skies-saturns-rings
https://www.planetary.org/articles/how-do-planets-get-rings
https://skyandtelescope.org/astronomy-news/why-are-jupiters-rings-so-thin/
Books:
"An Introduction to Modern Astrophysics," Carroll and Ostlie (2007)
Scientific Papers:
https://doi.org/10.1111/j.1365-2966.2012.21328.x
https://doi.org/10.1017/9781316286791.018
https://doi.org/10.1126/science.abn1234
https://doi.org/10.1038/35089010
https://doi.org/10.1016/j.icarus.2010.01.025
https://doi.org/10.1016/0019-1035(90)90020-A
https://articles.adsabs.harvard.edu/pdf/1916JRASC..10..473C
https://doi.org/10.1126/science.284.5417.1146
________________________________
LINKS TO COMMENTS
https://www.youtube.com/watch?v=zS2vI_2faII&lc=Ugx2pMT2eucn5xmt0qZ4AaABAg
https://www.youtube.com/watch?v=zS2vI_2faII&lc=Ugwn7YzUH_MOGJVRqZx4AaABAg
________________________________
IMAGE/VIDEO CREDITS
Saturn Edge-On:
https://images.nasa.gov/details/PIA01272
Image of Phobos:
https://mars.nasa.gov/resources/6989/mars-moon-phobos/
Moon Formation Sim:
https://www.nasa.gov/feature/ames/lunar-origins-simulations
Comet Lovejoy:
https://soho.nascom.nasa.gov/hotshots/2011_12_12/
Cassini Simulations:
https://solarsystem.nasa.gov/resources/17747/cassini-the-wonder-of-saturn-video/
Big Bang Simulation:
https://svs.gsfc.nasa.gov/12656
Solar System Formation:
https://svs.gsfc.nasa.gov/10659
People:
https://commons.wikimedia.org/wiki/File:%C3%89douard_Roche.jpg
https://commons.wikimedia.org/wiki/File:Christiaan_Huygens-painting.jpeg
https://commons.wikimedia.org/wiki/File:Justus_Sustermans_-_Portrait_of_Galileo_Galilei,_1636.jpg
________________________________
TIME CODES
00:00 Cold Open
00:48 History
02:30 Earth's Moon
03:00 Mars and Phobos
03:27 Tidal Forces Explained
04:13 Why does it break apart?
05:26 Roche Limit
06:22 Assumptions
07:05 Summary
08:04 What if Earth had rings?
08:35 Sponsor Message
09:42 Featured Comment
1:11
Roche limit visualisation
A short visualisation of the Roche limit: watch the black planet rip the gray moon apart w...
published: 15 Jul 2014
Roche limit visualisation
Roche limit visualisation
- Report rights infringement
- published: 15 Jul 2014
- views: 41755
A short visualisation of the Roche limit: watch the black planet rip the gray moon apart with tidal forces, creating a ring system.
0:53
What is Roche limit? #shorts
What is Roche limit?
The Roche limit, also known as the Roche radius, is the minimum dist...
published: 17 Mar 2023
What is Roche limit? #shorts
What is Roche limit? #shorts
- Report rights infringement
- published: 17 Mar 2023
- views: 1581
What is Roche limit?
The Roche limit, also known as the Roche radius, is the minimum distance at which a celestial body, such as a planet or moon, can approach another body without being torn apart by tidal forces. It is named after the French astronomer Édouard Roche who first described it in 1848.
The Roche limit depends on the density and size of the two bodies, as well as their relative masses and the distance between them. If a celestial body passes within its Roche limit, the gravitational force on its near side becomes stronger than the force on its far side, causing the body to elongate and eventually break apart due to tidal forces. The Roche limit has important implications for planetary rings and moons, as well as for understanding the formation and evolution of celestial bodies in our solar system and beyond.
#shorts #rochelimit #spacein1minute
8:17
Two Planets Approach the Roche Limit WITH LYRICS - Kirby and the Forgotten Land Cover
Behold... the ultimate life-form. The manifestation of power and war themself. Know their ...
published: 20 Aug 2023
Two Planets Approach the Roche Limit WITH LYRICS - Kirby and the Forgotten Land Cover
Two Planets Approach the Roche Limit WITH LYRICS - Kirby and the Forgotten Land Cover
- Report rights infringement
- published: 20 Aug 2023
- views: 559180
Behold... the ultimate life-form. The manifestation of power and war themself. Know their name... Fecto Elfilis!
CREDITS:
Fecto Elfilis: Steel (https://www.youtube.com/channel/UCc6Bazuf3UGFwk4nxo-0bSw)
Lyrics, Video: Juno
Artwork: Juno, Steel
Mix: Steel
Original Song: Two Planets Approach the Roche Limit, by Hirokazu Ando
Kirby and the Forgotten Land developed by HAL Laboratory, Inc., published by Nintendo
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Roche limit be like:
a cute video about dumb roche limit 😂
published: 06 Nov 2023
Roche limit be like:
Roche limit be like:
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- published: 06 Nov 2023
- views: 5830
a cute video about dumb roche limit 😂
Roche limit
The Roche limit (pronounced /ʁoʃ/ in IPA, similar to the sound of rosh), sometimes referred to as the Roche radius, is the distance within which a celestial body, held together only by its own gravity, will disintegrate due to a second celestial body's tidal forces exceeding the first body's gravitational self-attraction. Inside the Roche limit, orbiting material disperses and forms rings whereas outside the limit material tends to coalesce. The term is named after Édouard Roche, who is the French astronomer who first calculated this theoretical limit in 1848.
Explanation
Typically, the Roche limit applies to a satellite's disintegrating due to tidal forces induced by its primary, the body about which it orbits. Parts of the satellite that are closer to the primary are attracted more strongly by gravity from the primary than parts that are farther away; this disparity effectively pulls the near and far parts of the satellite apart from each other, and if the disparity (combined with any centrifugal effects due to the object's spin) is larger than the force of gravity holding the satellite together, it can pull the satellite apart. Some real satellites, both natural and artificial, can orbit within their Roche limits because they are held together by forces other than gravitation. Objects resting on the surface of such a satellite would be lifted away by tidal forces. A weaker satellite, such as a comet, could be broken up when it passes within its Roche limit.
This page contains text from Wikipedia, the Free Encyclopedia - https://wn.com/Roche_limit
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