Sentences with phrase «early universe collapsed»

Unlike run - of - the - mill black holes that form from collapsing stars, such primordial black holes could have formed when dense regions of the very early universe collapsed under their own gravity, some theories suggest.

Not exact matches

However, adding even this small amount of weight at the beginning of the universe would have resulted in its collapse early in its history.
Beyond the singularity could be an earlier, collapsing phase, or «big crunch,» of our universe or even the quantum creation of a universe from nothing.
Direct collapse black holes, gobbling up dense gas clouds in the early universe, could fit the bill.
Some theorists had already suggested that, instead of coming from collapsed stars, the behemoth black holes in the early universe could have gotten a head start.
As the hot gas that filled the early universe cooled, denser regions started to collapse, which set the gas ringing.
• The early universe was delicately poised between runaway expansion and terminal collapse.
Collapsing out of dense pockets of hydrogen gas early in the universe's history, the first stars flickered on, emitting ultraviolet light that interacted with the surrounding hydrogen.
Or did they form when gas clouds collapsed in the early universe?
«We think that the most massive black holes out there in the early universe formed from direct collapse, but the less massive ones could have formed in other ways,» says Priyamvada Natarajan at Yale University.
Using data from three of NASA's Great Observatories (the Hubble Space Telescope, Chandra X-ray Observatory, and Spitzer Space Telescope), scientists have found the best evidence to date that supermassive black holes in the early universe were produced by the direct collapse of a gas cloud.
One notion is that perhaps the singularity was the relic of an earlier, collapsed universe — that we're just one of an eternal cycle of expanding and collapsing universes, like the bladder on an oxygen machine.
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