The Mars Sample Return Mission Will Take Two Helicopters to the Red Planet to Help Retrieve Samples

The Mars Sample Return Mission Will Take Two Helicopters to the Red Planet to Help Retrieve Samples

NASA’s upcoming Mars Sample Return mission plan just received a glow-up: it will now carry a pair of twin helicopters, each capable of retrieving samples and delivering them to the ascent vehicle for return to Earth. The helicopters take the place of a previously planned fetch rover, which has now been ditched from the plan …

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