Detailed text transcripts for TV channel - CNN - 20190720:17:54:00
From their reconnaissance of the moon and apply those lessons to reconning mars understanding it from an orbiter perspective. >> reporter: eight times jpl has landed unmanned craft on mars. they're working here on a new six wheel drive wonder the 2020 rover. >> these missions to mars have a science focus. the robotic missions are learning about the geology of mars and its potential for hosting life in the past. but each one of these missions makes a small contribution toward the goal of getting humans to mars. >> reporter: instruments on the 2020 rover include sherlock which will search for si...
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