Mars Insight - Digging Into The Martian Interior

Mars Insight is landing today, hopefully in the same number of pieces the engineers designed! Mars Insight is a lander rather than a rover because its two main experiments are supposed to stay in one place and will take months to collect the data on the Martian interior that planetologists have been unable to get from previous missions. ... https://www.youtube.com/watch?v=vIQHxo3VsfI