... Tonight's Sky . ... Astronomy for Kids . ... Rover's laser instrument zaps first martian rock . ... This composite image, with magnified insets, depicts the first laser test by the ChemCam instrument aboard NASA's Curiosity Mars rover. ... Yesterday, the Mars rover Curiosity fired its laser for the first time on the Red Planet, using the beam from a science instrument to zap a fist-sized rock called т??Coronation.т?? ... Only registered members of Astronomy.com are allowed to comment on this article...