Nasa's Curiosity rover zaps Mars rock called Coronation

BBC News - Nasa's Curiosity rover zaps Mars rock called Coronation: "Nasa's Curiosity rover has zapped its first Martian rock. The robot fired its ChemCam laser at a tennis-ball-sized stone lying about 2.5m away on the ground. The brief but powerful burst of light from the instrument vaporised the surface of the rock, revealing details of its basic chemistry."