Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
The James Webb Space Telescope has observed light from stars surrounding some of the earlier supermassive black holes in the universe — black holes seen as they were less than a billion years after the Big Bang.
The supermassive black holes observed by the MIT team are insatiably feeding on surrounding material, generating immense tidal forces in a disk of matter called an. Quasars are among the most luminous objects in the cosmos, with some so bright they outshine the combined light of every star in the galaxies around them., by which scientists think supermassive black holes grow over time, should take many billions of years to proceed.
"These black holes are billions of times more massive than the sun, at a time when the universe is still in its infancy," Anna-Christina Eilers, team member and assistant professor of physics at MIT,."Our results imply that in the early universe, supermassive black holes might have gained their mass before their host galaxies did, and the initial black hole seeds could have been more massive than today.
By splitting the light into two sources, the team was also able to infer the mass of both elements of these galaxies. This revealed that the supermassive black holes have masses equal to around 10% of the masses of the stars around them.
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