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'There are something like a few dozen solar-type stars within something like 30 light years of the sun, and I would think that a good number of those - perhaps half of them have Earth-like planets,' Alan Boss told the annual meeting of the American Association for the Advancement of Science (AASS).
'So I think there is a very good chance that we will find some Earth-like planets within 10, 20 or 30 light years of the Sun,' the astrophysicist from the Carnegie Institution for Science told his AAAS colleagues meeting here since Thursday.