This Video about the Scale of Black Holes Will Crush Your Poor, Tiny Brain

Black holes are vast, matter-annihilating objects that seem to defy physics by their very existence. They're so weird, that when Albert Einstein's equations first predicted the existence of these beasts, he didn't believe they could actually be real. That is, until we saw this video from YouTuber morn1415, famous for their size comparisons of the Universe.