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How Did Hubble Spot The Most Distant Star Yet?
Space.com
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11 minutes ago
The Hubble Space Telescope has captured imagery of the most distant single star found yet. It took the light from the star 12.9 billion light years to reach Earth. Learn how it was discovered.
Credit; NASA Goddard Space Flight Center
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00:00
NASA's Hubble Space Telescope has established an extraordinary new benchmark, detecting
00:06
the light of a star that existed within the first billion years after the Universe's
00:10
birth in the Big Bang, the farthest individual star ever seen to date.
00:17
The newly detected star is 12.9 billion light-years away, meaning that the light took 12.9 billion
00:24
years to reach Earth. The previous record was 9 billion light-years away.
00:30
Normally at these distances, entire galaxies look like small, dim smudges with the light
00:36
from millions of stars blending together. But the galaxy hosting this star was magnified
00:42
and distorted by gravitational lensing into a long crescent that astronomers named the
00:47
Sunrise Arc. Gravitational lensing occurs when a tremendous mass warps the fabric of space
00:54
of space, creating a powerful natural magnifying glass that distorts and greatly amplifies the
01:00
light from distant objects behind it. The combined mass of a foreground group of galaxies created
01:06
a lens that allowed astronomers to see this distant star. After studying the galaxy in detail,
01:13
they determined that one feature is an extremely magnified star that they called Arendelle, which
01:19
means Morning Star in Old English. The research team estimates that Arendelle is at least 50 times
01:26
the mass of our Sun and millions of times as bright, rivaling the most massive stars known.
01:32
Arendelle existed so long ago that it may not have had all the same raw materials as the stars
01:38
around us today. Studying Arendelle will be a window into an era of the Universe that we are unfamiliar with,
01:44
but that led to everything we know today.
01:51
By the way, we are still with that light of the Universe that we can see.
01:56
By the way, we are still here with the Universe. We have still found the essential
01:58
number of companies that we only have to be able to run out by other places of the Universe.
02:02
Now let's take a look at the place where we can see that these Demand in alias that we are
02:04
taking place in after that. We have still a few minutes, with that extra light of time that we are
02:09
trying to see here that they're everywhere. We have easily seen about the framework of the Universe as
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