We Thought All Black Holes Came From Stars. We May Have Been Wrong.

Get Up to 60% off Incogni Annual plans at https://incogni.com/spacetime by using the: Code: SPACETIME LIGO may have detected a black hole that shouldn't exist, potentially revealing the first evidence of primordial black holes formed in the earliest moments after the Big Bang. But the bigger story is how a decade of gravitational-wave astronomy has transformed from proving Einstein right into a mature science capable of uncovering entirely new physics. Check out the Space Time Merch Store https://www.pbsspacetime.com/shop Sign Up on Patreon to get access to the Space Time Discord! https://www.