Black hole discovered that is 'quiet' and formed without explosion - USA TODAY

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."

Scientists have discovered an astronomical "needle in a haystack" in a galaxy neighboring the Milky Way: a special type of "quiet" black hole that could be the first of its kind to be detected outsid… [+2735 chars]

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