From when the universe was only 700 million years old.
— which to the Webb team emphasizes the need for the space telescope to look unspeakably far back in time, to when the universe was roughly 700 million years old.from NASA, the James Webb Telescope could even reveal how puzzling"hyper-massive" black holes came to be — which seem to grow faster than they've had time to."One of the most exciting
areas of discovery that Webb is about to open is the search for primeval black holes in the early universe." said Robert Maiolino, a member of Webb's Near-Infrared Spectrometer science team, in the blog post."These are the seeds of the much more massive black holes that astronomers have found in galactic nuclei. Most galaxies host black holes at their centers, with masses ranging from millions to billions of times the mass of our Sun.
"These supermassive black holes have grown to be so large both by gobbling matter around them and also through the merging of smaller black holes," added Maiolino."An intriguing finding has been the discovery of hyper-massive black holes, with masses of several billion solar masses, already in place when the universe was only about 700 million years old, a small fraction of its current age of 13.8 billion years.".
This baffled scientists, since — when the universe was this young — not enough time seems available in the lifespan of the cosmos to support the growth of such hyper-massive black holes. At least, according to ."One possibility is that black holes, resulting from the death of the very first generation of stars in the early universe, have accreted material at exceptionally high rates," said Maiolino.
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