First Laser-Zapped Rock on Mars This composite image, with magnified insets, depicts the first laser test by the Chemistry and Camera, or ChemCam, instrument aboard NASA's Curiosity Mars rover. The composite incorporates a Navigation Camera image taken prior to the test, with insets taken by the camera in ChemCam. The circular insert highlights the rock before the laser test. The square inset is further magnified and processed to show the difference between images taken before and after the laser interrogation of the rock. The test took place on Aug. 19, 2012. In the composite, the fist-sized rock, called "Coronation," is highlighted. Coronation is the first rock on any extraterrestrial planet to be investigated with such a laser test. The widest context view in this composite comes from Curiosity's Navigation Camera. The magnified views in the insets
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