Technology

NASA’s Oldest Hubble Place, Farthest Star Ever Seen


Astronomers have discovered the farthest and oldest star ever seen, a point of light that shone 12.9 billion years ago, or nearly 900 million years after the Great Explosion that gave birth to the universe. The light from the star must have traveled 12.9 billion light -years to reach Earth. The newly discovered star appears to us as it did when the universe was only 7 percent of its age now. It was spotted by the Hubble Space Telescope, which shared the image on its Instagram holder. The caption read, “Hubble just broke the record by observing the farthest individual star ever seen.”

The caption adds, “Named‘ Earendel ’, this star (indicated by an arrow in the second image) emits its light during the first billion years of our universe. Earendel is estimated to be 50 times the mass of our Sun and millions of times brighter. ”

Earendel is the Old English name for “morning star”.

Brian Welch of Johns Hopkins University in Baltimore, author of a paper published in the journal Nature describing the findings, said they didn’t believe it at first because the star was so far away from the previous star’s farthest and highest red shift. .

Earendel is estimated to be at least 50 times the mass of the Sun and millions of times brighter, rivaling the largest star known, according to the research team.

NASA also released a video to highlight the “incredible new benchmark”.

Icarus, another blue supergent star discovered by Hubble, holds the previous record at 9 billion years. It looks to us like it happened when the universe was about 30 percent of its age.

Earendel is expected to remain very large for the next few years, according to astronomers. NASA’s James Webb Space Telescope will be watching it.

In a report, NASA noted that the current Earendel formed before the universe was filled with heavy elements created by successive generations of large stars, and astronomers will be fascinated by its composition. If further studies show that Earendel was formed entirely from primordial hydrogen and helium, it would be the first evidence of the legendary Population III star, which is considered to be the first star to form after a major explosion.


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