Massive Super-Earth
b'Has the likelihood of alien life existing just become a lot more likely? Astronomers at the Harvard-Smithsonian Centre for Astrophysics announced this week that they have found what\'s being dubbed the "Godzilla of Earths" - it\'s a rocky planet orbiting a distant star over 500 light years away. But it\'s over twice the diameter and 17 times the mass of the Earth. So it\'s exciting for two reasons - first, space scientists had thought that planets could only be that big if they were made of gas, like Neptune or Jupiter, rather than rock, like Earth; and, second, the star this planet is orbiting is... Like this podcast? Please help us by supporting the Naked Scientists'