Astronomers using the James Webb Space Telescope have observed the most distant known galaxy, which they claim is very luminous and nearly 300 million years old.
The James Webb Space Telescope has captured what scientists believe is the most distant known galaxy, after observing what astronomers call a 'Cosmic Dawn' for the past two years.
said, give scientists insight into how gas, stars and black holes changed when the universe was in its infancy. A team of international astronomers used the Webb telescope in October 2023 and January 2024 to observe galaxies as part of the JWST Advanced Deep Extragalactic Survey program. referred to as a record-breaking galaxy, only 290 million years after the big bang. The spectrum was measured by how much a galaxy’s light is stretched by the expansion of the universe, and in the case of the most distant galaxy known, it was measured with a redshift of about 14.
When the spectrum first processed, the astronomers said, there was unambiguous evidence the galaxy had a redshift of 14.32, which would shatter the most-distant galaxy record of 13.2, held by JADES-GS-z13-0. The discovery of the spectrum was 'incredibly exciting' for the entire team because of the mystery surrounding the source. They also said the most important aspect of the galaxy was how luminous the galaxy was from such a far distance.
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