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Did astronomers see the light from two black holes colliding for the first time? 5nvklj





Did astronomers see the light from two black holes colliding for the first time? 9tpt39

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Did astronomers see the light from two black holes colliding for the first time?

Dragon
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Did astronomers see the light from two black holes colliding for the first time? Empty Did astronomers see the light from two black holes colliding for the first time?

Post by Dragon Mon Nov 29, 2021 8:29 pm

Astronomers may have seen the light from two black holes smashing into one another for the first time ever.

Black holes are completely dark and therefore invisible to light-detecting telescopes.

So far, the only way astronomers have been able to "observe" black holes colliding is by detecting the resulting gravitational waves.

Gravitational waves are ripples through spacetime, predicted by Einstein's general theory of relativity, that are created by extreme collisions between massive celestial objects, like black holes and neutron stars.


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Did astronomers see the light from two black holes colliding for the first time? Empty Re: Did astronomers see the light from two black holes colliding for the first time?

Post by Dragon Mon Nov 29, 2021 8:30 pm

Did astronomers see the light from two black holes colliding for the first time? P3WVJSbJ6ZDtPNuobobSth-970-80
Credit: Caltech/R. Hurt (IPAC))

A visualization of two black holes merging.


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Did astronomers see the light from two black holes colliding for the first time? Empty Re: Did astronomers see the light from two black holes colliding for the first time?

Post by Dragon Mon Nov 29, 2021 8:32 pm



Two Black Holes Merge into One

The two merging black holes are each roughly 30 times the mass of the sun, with one slightly larger than the other.

Time has been slowed down by a factor of about 100. The event took place 1.3 billion years ago.

The stars appear warped due to the incredibly strong gravity of the black holes.

The black holes warp space and time, and this causes light from the stars to curve around the black holes in a process called gravitational lensing.

The ring around the black holes, known as an Einstein ring, arises from the light of all the stars in a small region behind the holes, where gravitational lensing has smeared their images into a ring.


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Did astronomers see the light from two black holes colliding for the first time? 334pu7m
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Did astronomers see the light from two black holes colliding for the first time? Empty Re: Did astronomers see the light from two black holes colliding for the first time?

Post by Dragon Mon Nov 29, 2021 8:33 pm



Simulation Reveals Spiraling Supermassive Black Holes


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Did astronomers see the light from two black holes colliding for the first time? 334pu7m

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