LONDON: A team of astronomers peering deep into the heavens has discovered the earliest, most distant galaxy yet, spotted a record-breaking 670 million years from the big bang.
The findings, described in Astrophysical Journal Letters, reveal a surprisingly active, bright galaxy near the very dawn of the cosmos that could shed light on what the universe, now 13.8 billion years old, was really like in its young, formative years.
“We’re actually looking back through 95% of all time to see this galaxy,” said study coauthor Garth Illingworth, an astronomer at UC Santa Cruz. “It’s really a galaxy in its infancy … when the universe was in its infancy.”
Capturing an image from a far-off light source is like looking back in time. When we look at the sun, we’re seeing a snapshot of what it looked like eight minutes ago. The same principle applies for the light coming from the galaxy known as EGS-zs8-1, except our snapshot of this distant galaxy is extremely vintage – roughly 13.1 billion years old.
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