Blog Post Image: Laser Instrument on NASA Mars Rover Tops 100,000 Zaps

This graph shows a spectrum recorded by the Chemistry and Camera instrument (ChemCam) in NASA’s Curiosity Mars rover. The instrument measured intensity of light at 6,144 wavelengths of ultraviolet, visible and infrared light emitted when it fired its laser at a rock target called “Ithaca.” Image credit: NASA/JPL-Caltech/LANL/CNES/IRAP/UNM (Click image to enlarge)