Black holes are some of the strangest and most fascinating objects in the Universe… Here are the biggest mysteries and recent discoveries about these scary and amazing cosmic monsters brought to you by Hybrid Librarian.
[youtube https://www.youtube.com/watch?v=9lOCH57p7lA]
and check this out…
[youtube https://www.youtube.com/watch?v=nSAiuAd9BnE]