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Black hole ‘gives birth’ to stars — RT World News

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Black hole ‘gives birth’ to stars — RT World News

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NASA’s Hubble Telescope captures a ‘nursery’ of newborn stars connected by an ‘umbilical cord’ to a black hole in a nearby galaxy

A black hole has been observed “induce birth” new stars in a nearby dwarf galaxy, suggesting the mysterious cosmic phenomena are more than just “infamous” destructive objects that violently consume everything around them.

Using NASA’s Hubble Space Telescope, researchers spotted the black hole at the heart of a galaxy known as Henize 2-10, located about 30 million light-years away in the constellation Pyxis. The black hole apparently adds to the “firestorm of new star formation” at Henize 2-10, according to results published Wednesday in the journal Nature.

Given the smaller size of Henize 2-10 – which contains only one-tenth the number of stars in the Milky Way, the black hole is not as massive as those found in larger galaxies. Its mass has been estimated to be about a million times that of the Sun.

This meant that the “exit” plasma (ionized gas) from the black hole is comparatively softer, allowing clouds of gas to compress in a way conducive to the creation of new stars.

In large galaxies, any material that falls towards the black hole is quickly destroyed by the strong magnetic fields around it. This process creates jets of plasma that travel almost at the speed of light. The gas clouds caught in the explosions become too hot to cool and form stars.

By contrast, Hubble spectroscopy showed researchers that the flow in the Henize 2-10 black hole was only moving at about a million miles per hour. This “low velocity flow” arrived in a region with a “dense cocoon” of gas, slamming into it like a “Garden Hose Hitting a Pile of Dirt” before spreading out and creating newborn star clusters.

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‘Monster’ black hole discovered in dwarf galaxy

The event has been compared by NASA to a “umbilical cord” attached to a “bright stellar nursery.” It was captured by Hubble as a “corkscrew pattern in gas velocities”, which, according to researcher Amy Reines, was “gunproof” that the activity was linked to a black hole — not the remnants of a supernova explosion at the end of a massive star’s life.

As well as hinting at a bigger role played by black holes, the new study could also add to existing knowledge about how they form and grow as they age. This is information that has “otherwise been lost in time and space,” said Queens.

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Black hole ‘gives birth’ to stars — RT World News

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