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A 'Movie' of the Universe? Black Holes Might Just Contain It
Amaze Lab
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5/3/2024
There are infinite rings of light around a black hole that capture the history of the universe, and scientists are figuring out how to get a better look.
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00:00
[music]
00:03
Black holes are notoriously hard to photograph.
00:06
According to the ESO, our first ever image of a black hole
00:09
came from eight different telescopes across the world
00:11
that joined forces to get one simple picture.
00:14
But according to Science Alert, more images can answer some big questions.
00:18
Scientists are particularly interested in rings of light
00:20
just outside a black hole's event horizon.
00:23
These rings are made of photons stuck in the orbit of a black hole
00:26
that aren't quite close enough to get sucked in.
00:28
Research published in the journal Science Advances
00:30
says that this visible ring of light
00:32
actually contains infinite light rings nested inside it.
00:35
This is possible because black holes are so massive
00:38
that gravity works in wild ways around them.
00:40
Theoretically, it would make orbiting photons
00:42
capture a snapshot of the entire universe.
00:45
The closer you look, the older these snapshots get.
00:48
Each sub-ring of light shows the universe at an earlier date,
00:51
meaning that if you saw them in order,
00:52
it would tell the life story of the universe.
00:54
And more practically, the sub-rings show the mass and speed of a black hole.
00:57
Our best bet for seeing these light rings
01:00
is with arrays of telescopes called interferometers.
01:03
The goal is to have long distances between telescopes,
01:06
so it would help to build one on the Moon or beyond.
01:09
(upbeat music)
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