Thursday, December 08, 2022

In a week’s work, NASA’s James Webb Space Telescope breaks the record for the oldest galaxy ever seen

The James Webb Space Telescope spotted GLASS-z13, a galaxy 300 million years after the Big Bang.Naidu DKK., p. Osh, T. Treu, Glass-JWST, NASA/CSA/ESA/STSCI

  • The James Webb Space Telescope broke the record for the oldest galaxy observed in nearly 100 million years.

  • The light from the galaxy, known as GLASS-z13, is 13.5 billion years old, as the universe was young.

  • This web tool can help astronomers see galaxies that are older and more distant from these galaxies.

The James Webb Space Telescope, NASA’s new infrared heavyweight, looked into a vast expanse and found a 13.5 billion-year-old galaxy that researchers believe is the oldest galaxy ever discovered. Scientific operations of the powerful telescope began last week.

This group of stars, gas and dust held together by gravity dates back to 300 million years after the Big Bang. This surpasses the previous record for the most distant and oldest galaxy discovered by 100 million years, known as GN-Z1. When GN-Z1 was discovered by the Hubble Space Telescope in 2016, galactic light took 13.4 billion years to reach Hubble.

Researchers from Harvard and the Smithsonian Center for Astrophysics have shared their findings about a new record-breaking galaxy called GLASS-z13 in binary form. From the publication published on Wednesday. The scientists also identified another galaxy of a similar age, called Glass-z11, which also surpassed the previous record.

“We have found two interesting candidates for very distant galaxies,” said Rohan Naidu, one of the researchers who discovered GLASS-z13 in Webb Data. New World. “If these galaxies were at the distance we think they were, then the universe was only a few hundred million years old at the time.”

Researchers say new world. These two galaxies are relatively small compared to our own Milky Way, which is 100,000 light-years across. GLASS-z13 is about 1,600 light-years across, and GLASS-z-11 is 2,300 light-years across.

The red dot, captured by the James Webb Space Telescope, is the oldest galaxy ever observed.Naidu DKK., p. Osh, T. Treu, Glass-JWST, NASA/CSA/ESA/STSCI

According to the researchers, “With the advent of JWST, we now have an unprecedented view of the universe thanks to the highly sensitive NIRCam instrument.” described in the preprint.

It is too early for discovery from the mighty observatory, which will launch on Christmas Day 2021. Scientific operations began last week.

NASA says Webb was able to look further and find the first galaxies hundreds of millions of years after the Big Bang, helping astronomers understand more about the evolution of galaxies throughout the life of the universe .

Read the original article on Interest in Trading

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