Shoot a rifle, and the recoil might knock you backward. Merge two black holes in a binary system, and the loss of momentum gives a similar recoil—a “kick”—to the merged black hole.
Credit: NASA

(adsbygoogle = window.adsbygoogle || []).push({});
“For some binaries, the kick can reach up to 5000 kilometers a second, which is larger than the escape velocity of most galaxies,” said Vijay Varma, an astrophysicist at the California…

[[ This is a content summary only. Visit my website for full links, other content, and more! ]]

Source: archeo