Scientists discovered a unique black hole that will now answer a lot of key questions

Fareeha Arshad
Photo by Shot by Cerqueira on Unsplash

In a recent study involving the neighbouring galaxy, the Andromeda galaxy, researchers have deeply explored the changes in the light that helps in the detection of a black hole that is known to have 100,000 times the mass of the Sun. So far, scientists have known about black holes 100 times the size of the Sun and large black holes that are a million times bigger than the Sun, but there is no intermediary known black holes. This study thus sheds light on the intermediate-sized black holes that will help fill the gaps in the existing knowledge about the black holes.

The thing about black holes is that they are hard to detect. They are only spotted when they are accumulating matter, and this process releases a large amount of light that helps in their identification. Sometimes the matters around the black holes also serve as clues to the presence or absence of black holes. Thus their detection is not easy, and the adjacent activity needs to be monitored to spot black holes.

Until now, without detecting intermediate black holes, scientists could not understand how two different kinds of black holes with such a significant difference in their size and mass could exist. However, scientists have begun speculating how one galaxy gets transformed into a larger globular cluster by subsuming other galaxies by discovering the intermediary black hole in the Andromeda galaxy.

In this study, scientists have discovered the origin story of the Andromeda galaxy. They believe that the galaxy was once a dwarf galaxy and, over time, evolved into over 1.5 trillion solar mass by subsuming other neighbouring galaxies, along with their stars and black holes. With this discovery, scientists can fill the gaps and understand how small-sized black holes evolve into mega-sized black holes and subsequently into super large galaxies.

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I am a scientist by profession and a historian by passion. I mostly write about history and science.

Texas State

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