Astronomers have discovered a runaway supermassive black hole, leading to the formation of a wake of shocked gas and young stars behind it. The black hole in question was seemingly ejected from its home galaxy. We're sure this is totally fine.
Researchers believe that the black hole could have been ejected due to a galactic merger where a third black hole ousted this one leading to the formation of a wake of shocked gas and young stars behind it.and offers the first evidence of the phenomenon.
The streak is thought to be made of compressed gas that is actively forming stars and points to the centre of a galaxy, where a supermassive black hole would sit. ‘We found a thin line in a Hubble image that is pointing to the centre of a galaxy,’ lead study author Pieter van Dokkum, a professor of physics and astronomy at Yale University, told Live Science.
To make sure that the streak they spotted wasn’t an astrophysical jet, the team further investigated it and found that, unlike astrophysical jets that grow weaker as they move away from their source of emission, this one got stronger as it moved away from its point of origin. ‘If confirmed, it would be the first time that we have clear evidence that supermassive black holes can escape from galaxies,’ van Dokkum said
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