![]() ![]() Ultramassive black holes are some of the largest individual objects known to us, tens of billion times larger than our Sun. In an exciting turn of events for researchers, the one featured in this new study falls into both of those categories. The Cosmic Hunt for Primordial Black Holes.Especially if it’s part of a boundary-pushing subclass, or it was found in an unusual way. So, every time we spot a new one, there’s a lot we can learn from its observation. Because of how hard they are to spot-and how hard they are to directly observe even once they’re spotted-there’s a lot we don’t know about these massive gravity wells. No matter how much we hear about them, or how prominently they feature in our fiction, black holes are still very mysterious to scientists. ![]() Almost two decades later, we finally understand what it was: an ultramassive black hole. Nineteen years ago, a researcher saw a strange arc in some data.
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