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Astronomers Witness Birth of Intermediate-Mass Black Hole 5nvklj





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Astronomers Witness Birth of Intermediate-Mass Black Hole

Dragon
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Astronomers Witness Birth of Intermediate-Mass Black Hole Empty Astronomers Witness Birth of Intermediate-Mass Black Hole

Post by Dragon Thu Sep 03, 2020 10:14 pm

Astronomers using the twin LIGO detectors located in Livingston, Louisiana, and Hanford, Washington, and the Virgo detector located near Pisa, Italy, have detected gravitational waves from the most massive binary black hole merger ever discovered.

The two spinning black holes merged when the Universe was only about 7 billion years old, which is roughly half its present age, and formed a larger black hole weighing a whopping 142 times the mass of the Sun — a so-called intermediate-mass black hole.

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Post by Dragon Thu Sep 03, 2020 10:16 pm

Astronomers Witness Birth of Intermediate-Mass Black Hole Image_8808-GW190521
Image credit: Mark Myers, ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav), Australian National University.

An artist’s impression of binary black holes about to collide.

Source / Image Courtesy


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Post by Dragon Thu Sep 03, 2020 10:17 pm



The GW190521 signal, resembling about four short wiggles, was extremely brief in duration, lasting less than one-tenth of a second.


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Post by Dragon Thu Sep 03, 2020 10:18 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.



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Post by Cloud Thu Sep 03, 2020 10:39 pm

1.3 Billion years ago.... wow Astronomers Witness Birth of Intermediate-Mass Black Hole 1196412114 :goodpost:


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