A black hole formed by a lopsided merger may have gone rogue

Astronomers have discovered the first solid evidence that merger events between black holes can deliver a “kick” powerful enough to spin a black hole out of its galaxy.

The team, which included Vijay Varma, a physicist at the Max Planck Institute for Gravitational Physics, Albert Einstein Institute, Germany, examined gravitational wave data from the merger event known as GW200129 collected by LIGO detectors and their European counterpart, Virgo. . Through that analysis, the scientists found that the black hole created in that collision and merger had been launched into space at 3 million mph (4.8 million km / h), a discovery described by one team member as “surprising and shocking.”

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