Astronomers find stray black hole hiding in Milky Way

Astronomers find stray black hole hiding in Milky Way
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Examining a molecular cloud with enigmatic motion, a team led by researchers in Japan has found signs of stray black hole hiding in the Milky Way.

​Tokyo: Examining a molecular cloud with enigmatic motion, a team led by researchers in Japan has found signs of stray black hole hiding in the Milky Way.

It is difficult to find black holes, because they are completely black. In some cases black holes cause effects which can be seen.

Theoretical studies have predicted that 100 million to one billion black holes should exist in the Milky Way, although only 60 or so have been identified through observations to date.

The researchers used the ASTE Telescope in Chile and the 45-m Radio Telescope at Nobeyama Radio Observatory, both operated by the National Astronomical Observatory of Japan, to observe molecular clouds around the supernova remnant W44, located 10,000 light-years away from us.

A supernova is the explosion of a star -- the largest explosion that takes place in space, according to NASA.

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