Tech Astronomers discover ‘needle in a haystack’: A ‘quiet’ black hole created without a blast July 20, 2022July 21, 2022Mike Snider, USA TODAYComments Off on Astronomers discover ‘needle in a haystack’: A ‘quiet’ black hole created without a blast Astronomers have found a new kind of "quiet" black hole that gives off faint X-ray radiation and was created without the typical galactic "kick."