“This week, we took the first ever direct image of a black hole’s event horizon.

It was a huge, science-altering event that didn’t disappoint, with the image confirming Einstein’s theory of relativity

And it’s even crazier when you put the sheer size of the M87 black hole into perspective

If that’s not enough to crush your mind, then this video from YouTuber morn1415 might do the trick…”

Source:
https://www.sciencealert.com/this-video-on-the-scale-of-black-holes-will-break-your-puny-brain