'Runaway' black hole the size of 20 million suns found speeding through space with a trail of newbor
'Runaway' black hole the size of 20 million suns found speeding through space with a trail of newborn stars behind it
By Robert Lea published about 20 hours ago
Astronomers have discovered a "runaway" black hole, potentially the first observational evidence that supermassive black holes can be ejected from their host galaxies.
An illustration showing a black hole being ejected from a galaxy's center, as a trail of brightly glowing gas follows behind (Image credit: Keio University)
Astronomers have spotted a runaway supermassive black hole, seemingly ejected from its home galaxy and racing through space with a chain of stars trailing in its wake.
According to the team's research, which was published on the pre-print server arXiv.org(opens in new tab) and has been accepted for publication in The Astrophysical Journal Letters, the discovery offers the first observational evidence that supermassive black holes can be ejected from their home galaxies to roam interstellar space.
The researchers discovered the runaway black hole as a bright streak of light while they were using the Hubble Space Telescope to observe the dwarf galaxy RCP 28, located about 7.5 billion light-years from Earth.
According to the team's research, which was published on the pre-print server arXiv.org(opens in new tab) and has been accepted for publication in The Astrophysical Journal Letters, the discovery offers the first observational evidence that supermassive black holes can be ejected from their home galaxies to roam interstellar space.
More:
https://www.livescience.com/runaway-black-hole-the-size-of-20-million-suns-found-speeding-through-space-with-a-trail-of-newborn-stars-behind-it
= new reply since forum marked as read
I’m not insignificant. 
for it to be ejected from its home galaxy.
Along the way, the giant is creating shock waves and triggering star formation.
FEBRUARY 25, 2023 11:47 IST
BY
AMIT MALEWAR
There is evidence of a rogue Supermassive black hole ripping through space and interacting with the circumgalactic medium, according to researchers from Canada, Australia, and the United States (CGM.) The giant is also causing shock waves and starting star formation.
Identifying runway SMBHs is of obvious interest but difficult. There are several ways for a supermassive black hole (SMBH) to escape from the center of a galaxy. The first step is always a galaxy merger, forming a binary SMBH. If a third SMBH reaches the galaxy’s center before the binary merges, a three-body interaction can impart a large velocity to one of the SMBHs leading to its escape from the nucleus.
However, despite their theoretical foundations, it is challenging to locate these rogue SMBHs. In 2021, astronomers discovered one of the top contenders, 230 million light-years distant.
The authors saw unusual movement and speed, indicating a recent disruption. However, they could not determine whether they had witnessed a gravitational wave recoil event, a double black hole system, or an ongoing galaxy merger.
More:
https://www.techexplorist.com/rogue-supermassive-black-hole-tearing-space/57147/
as well as the nod to the Python gang. Cool stuff then a good chuckle.
