NASA sent a helicopter on a nosedive to test Mars landing hardware

NASA's Mars 2020 mission could teach us some incredible new things about our planetary neighbor, and even provide us with valuable insights that will shape plans for future manned missions to the Red Planet. It could be a very big deal for mankind... but first it has to actually, you know, land.One of the most crucial components of the Mars 2020 lander is the Lander Vision System, or VLS. The VLS will allow the spacecraft to specify its landing location automatically as it's cruising down to the