Since the 1700s, people have suspected that black holes even existed, but no one has ever seen one in action. The first ever evidence was in 2001. A scientist named Joseph Dolan showed some photographs he had taken.
How a black hole would destroy the Earth
You can not see a black hole directly for some reason.
Dying stars can turn into a stellar black holes.
10 Mind Blowing Facts About Black Holes
Black Holes Song
I think black holes are really interesting.
I think black holes are black.
I like black holes.