NASATraveling to Mars this summer aboard @NASAPersevere:
SHERLOC = an instrument to search for sand-grain size clues
WATSON = a camera to capture close-up images
How this detective and its assistant will put a magnifying glass on Martian rocks: https://www.nasa.gov/feature/jpl/the-detective-aboard-nasas-perseverance-rover?utm_source=TWITTER&utm_medium=NASA&utm_campaign=NASASocial&linkId=89649471
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