Four ways the Mars 2020 rover will pave the way for a manned mission – CNN

(CNN)When NASA’s Mars 2020 rover lands on the Red Planet in February 2021, it will touch down in Jezero Crater, the site of a lake that existed 3.5 billion years ago. The next generation rover will build on the goals of previous robotic explorers by collecting the first samples of Mars, which would be returned to Earth at a later date.
“On the science side, we’re really thinking about new discoveries we can make on the surface and how…

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