Exploring the Depths of the Universe: Groundbreaking Discoveries of Supermassive Black Holes and Ancient Galaxies with the James Webb Space Telescope

2023-07-10 02:24:06
The James Webb Space Telescope is used to conduct large-scale surveys of parts of the sky, in addition to observing specific objects such as distant galaxies and planets here in our solar system. Black holes, and one such survey recently identified the most active supermassive black hole seen to date. While a typical black hole might be about 10 times the mass of the Sun, supermassive black holes are much larger, millions or even billions of times the mass of the Sun. A very early example of such supermassive black holes was recently discovered, dating back to just 570 million years after the Big Bang. It is located in a galaxy called CEERS 1019, and was identified as part of a survey called Cosmic Evolution Early Release Science (CEERS) that is using Webb to take massive pictures of parts of the sky, Digitartlends reported. By looking at regions far from the bright center of the Milky Way that do not have nearby bright galaxies obscuring the view, the survey can identify very distant and dark objects. “Looking at this distant object with this telescope is very similar to looking at data from black holes found in galaxies close to our own,” lead researcher Rebecca Larson of the University of Texas at Austin said in a statement. The galaxy in which the supermassive black hole resides is also interesting. In the data, it looks like three dots in a line instead of the expected single disk. This could give clues as to how the galaxy might have appeared, as a result of collisions with other nearby galaxies. “We’re not used to seeing a lot of structures in images at these distances,” said CEERS team member Gian Kartletepe of the Rochester Institute of Technology. “Merging galaxies may be partly responsible for fueling activity in this galaxy’s black hole, and this may also lead to increased star formation.” In addition to this black hole, CEERS has also identified 11 very old galaxies, ranging from when the universe was between 470 million and 675 million years old. By studying these very early galaxies, researchers hope to learn about the way galaxies formed and grew throughout the history of the universe. “Some of these galaxies were first discovered by Webb,” said Seiji Fujimoto of the University of Texas at Austin. “This group, along with other distant galaxies that we may identify in the future, may change our understanding of star formation and galaxy evolution throughout cosmic history.
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