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https://www.dailywire.com/news/scientists-discover-unprecedented-runaway-black-hole
Astronomers have sighted a supermassive black hole traveling through space that appears to have been ejected from its host galaxy.
Researchers observing the dwarf galaxy designated RCP 28, roughly 7.5 billion light years away from our solar system, noticed an aberrant streak of light via the Hubble telescope. The “streak” appears to be a collection of stars being dragged out of their home galaxy by the immense gravitational force of a black hole.
The “runaway” black hole is the first of its kind to be observed, and appears to have been ejected from its original galaxy.
“We found a thin line in a Hubble image that is pointing to the center of a galaxy,” Professor Pieter van Dokkum of Yale University, the lead author of the study, said. “From a detailed analysis of the feature, we inferred that we are seeing a very massive black hole that was ejected from the galaxy, leaving a trail of gas and newly formed stars in its wake.”
The “stellar tail” in its wake is 200,000 light-years long, twice the diameter of our Milky Way galaxy.
The black hole in question is believed to be 20 million times more massive than the Sun, and it is traveling away from RCP 28 at a rate of 3.5 million miles per hour, roughly 4,500 times the speed of sound.
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