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NASA Lays Out Two New Options for Mars Sample Return

hs after deciding that its previous plan for bringing samples back from Mars wasn't going to work, NASA says it's working out the details for two new sample return scenarios, with the aim of bringing 30 titanium tubes filled with Martian rocks and soil back to Earth in the 2030s. One scenario calls for using a beefed-up version of NASA's sky crane to drop the required hardware onto the Red Planet's surface, while the other would use heavy-lift commercial capabilities provided by the likes of SpaceX or Blue Origin.

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