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This Is a Photo of the Oldest Galaxy Ever Discovered Taken by the James Webb Space Telescope
Amaze Lab
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8/15/2023
The CEERS field is a particular area of space captured by the James Webb Space Telescope. It shows myriad distant, old galaxies, but one of them might just be the oldest.
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Learning
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00:00
[Music]
00:04
This is what is known as the Sears Field, or a particular area of space captured by
00:08
the James Webb Space Telescope.
00:10
It shows myriad distant old galaxies, but this one right here might just be the oldest.
00:15
It's called Macy's Galaxy, and it doesn't look like much, just a red splotch on the
00:19
black backdrop of the vacuum of space.
00:21
But experts say that's expected.
00:23
That's because the universe is constantly expanding, meaning these distant objects are
00:27
literally getting further away, causing their light to be stretched.
00:30
This is called redshift, and causes extremely distant objects to appear as red, elongated
00:35
entities like this one.
00:36
So how old is the oldest galaxy ever discovered?
00:39
Experts say based on the photometry of the galaxy, the light we are seeing likely traveled
00:43
for some 13.4 billion years before it reached us, meaning the galaxy came into existence
00:48
just 390 million years after the Big Bang.
00:52
Another extremely old galaxy in the same field is called Sears 93316.
00:57
It was once thought to have been formed only 250 million years after the Big Bang.
01:01
However, spectroscopic follow-up revealed it was actually created around 1.2 billion
01:06
years after the universe creating event.
01:09
[music]
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