Astronomers spot first possible exoplanet outside our galaxy
by Linda Geddes Science correspondent from Science | The Guardian on (#5R5AC)
Saturn-sized planet candidate has been identified in Whirlpool Galaxy 28m light years away
A possible Saturn-sized planet identified in the distant Whirlpool Galaxy could be the first exoplanet to be detected outside the Milky Way.
The exoplanet candidate appears to be orbiting an X-ray binary - made up of a normal star and a collapsed star or black hole - with its distance from this binary roughly equivalent to the distance of Uranus from the sun.
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