I live here http://www.p81.co.uk/stmap_e4370.html?rosuvastatin.ursodiol.viagra doxycycline hyclate and drinking alcohol  "I guess it would depend on what time they looked and which asteroid they were lucky enough to catch. But we know of water-rich asteroids in the outer main belt and I think there would be a good chance that they would see a signature of something like the asteroid Ceres. And in that case, if the alien astronomers speculated about habitable planets - well, if they're looking back at our system, in that case they'd be correct."