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Cosmic treasure discovered: lost monster, equal to 100,000 Suns

Thursday, January 27, 2022 19:37 PM (GMT+7)

How this singular object and 100,000 times the size of the Sun was born is still a great mystery. Therefore, it is hailed as a cosmic treasure.

According to Science Alert, it’s an “intermediate mass black hole”. While supermassive black holes are the center of a galaxy; While small black holes are the result of massive stars collapsing, intermediate-mass black holes are confusing because nothing can explain what they are or where they come from.

Andromeda (Fairy) Galaxy, where the “cosmic treasure” is hidden – Photo: ESA

They are also extremely rare in the universe. But in a star cluster in the Andromera galaxy, astronomers studied the changes in star light and identified a black hole with a mass nearly 100,000 times that of the Sun, an intermediate-mass black hole. .

According to researcher Anil Seth from the University of Utah, the discovery of this black hole could help fill a large gap, a missing link in the astronomical world.

This mysterious little monster is located in a globular cluster called B023-G078, the remnants of an ancient galaxy swallowed up by Andromeda.

It is this that leads researchers to a path: it appears that this black hole, neither large nor small, is at the center of the tiny dwarf galaxy once swallowed by Andromeda. If our own Milky Way, a “monster”-sized galaxy, has an equivalent “monster” black hole (4 million times the size of the Sun), much smaller dwarf galaxies also need a central black hole. proportional.

The study was just published in The Astrophysical Journal.


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