The black-hole system GRO J1655-40 is streaking through space at a rate of 400 000 kilometres per hour - 4 times faster than the average velocity of the stars in the galactic neighbourhood.
The yellow star is our Sun.
11/8/11
Black hole hurtling across the plane of the Milky Way
The black-hole system GRO J1655-40 is streaking through space at a rate of 400 000 kilometres per hour - 4 times faster than the average velocity of the stars in the galactic neighbourhood.
The yellow star is our Sun.
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