NASA InSight lander makes first underground map of Mars
NASA's Mars InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) lander has developed the first ever map of the underground of the Red Planet by listening to winds. The InSight lander arrived on Mars on November 26, 2018, touching down in the Elysium Planitia region -- the second largest volcanic region on the Red Planet. Geophysicists from