In this illustration, NASA’s Mars 2020 rover uses its drill to core a rock sample on Mars. (NASA/JPL-Caltech)
Home In this illustration, NASA’s Mars 2020 rover uses its drill to core a rock sample on Mars. (NASA/JPL-Caltech) In this illustration, NASA's Mars 2020 rover uses its drill to core a rock sample on Mars. (NASA/JPL-Caltech)