The Earth Isn't Perfectly Round – Here's Why

The Earth isn't perfectly round IT'S FLAT. Ok not really, but it isn't as perfectly round as you'd expect from lessons in primary school or glancing briefly at a globe, either. First of all, why are planets round(ish)? This one is relatively simple: our old friend (and dastardly nemesis) gravity is the culprit. Planets... read full story

"An object's gravitational pull will always point towards the centre of its mass. The bigger something is, the more massive it is, and the larger its gravitational pull,"