2017年7月3日 星期一

How Quickly We Forgot Those Space Shuttle Things

SpaceX Dragon's second splashdown is a historic first, CNET

"Until now, no single craft has visited the ISS and returned to Earth more than once. In fact, all other non-SpaceX vehicles that visit the space station are designed to burn up in the atmosphere after a single flight. SpaceX has been recovering its Dragon capsules via splashdowns in the ocean, but this is the first time that one of those recycled craft has completed a second re-supply mission."



from NASA Watch http://ift.tt/2sztvzV
via IFTTT

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