
Rocky?
I did briefly wonder how anyone could describe something with a density "similar to that of an iron dumbbell" could be described as "unequivocably rocky".
Then I remembered that the Yanks don't do irony......
NASA has announced it's nailed the first "bone-fide" [sic] rocky exoplanet, which at 1.4 times the diameter of Earth is the smallest such body spotted to date outside our solar system. As its name suggests, Kepler-10b was identified orbiting star Kepler-10 - at a distance of 560 light years from Earth - by the agency's …