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The science behind splashdown − an aerospace engineer explains how NASA and SpaceX get spacecraft...
The Conversation via Yahoo News· 5 days agoFriction with the atmosphere introduces drag, which slows down the spacecraft. The friction converts...
NASA administrator weighs in on China’s historic lunar far side samples — and potential US access
CNN via Yahoo News· 2 days agoChina now has the first samples ever collected from the far side of the moon and says it will share...