10 Mind-Bending Facts About Black HolesAugust 19th, 2013
Did you know that black holes are so dense, that one with the mass of the Earth would only be about the size of half a penny? And that time slows (relative to outside the black hole) as one approaches a black hole? We found it incredible to learn that scientists have discovered a black hole with a mass 30 million times that of our Sun and that black hole had swallowed another nearby black hole with a mass 1 million times that of the Sun.
AllTime10s gives us this great video full of cool facts about this fascinating objects.