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Northern Lights (Aurora Borealis / Arctic Light)
Explore this photo album by Ole Salomonsen on Flickr!
APOD: 2013 May 16 - Four X-class Flares
Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2013 May 16 Explanation: Swinging around the Sun's eastern limb on Monday, a group of sunspots labeled active region AR1748 has produced the first four X-class solar flares of 2013 in less than 48 ho
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Aurora Dance! 3.2k AllSky01
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