The star was found around 900 million years after the Big Bang, which occurred 13.8 billion years ago.
The research will tell us more about our cosmic origins, but how Earendel was found is incredible.
cluster called WHL J24.3324-8.477, including the brightest galaxy of the cluster. It was taken in 2017 as part of an observing programme called RELICS .Gravitational lensing revealed Earendel to be either an individual star or double star system.So is Earendel a red giant star? No—it’s just that when we detect very old light it is red because it’s been stretched over time as it travels through space. Red light has the longest wavelength.
“We almost didn't believe it at first, it was so much farther than the previous most-distant, highest redshift star,” said Welch. “The galaxy hosting this star has been magnified and distorted by gravitational lensing into a long crescent that we named the Sunrise Arc.”
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