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Touch and go

发布时间:2019-03-07 04:05:04来源:未知点击:

By Mark Schrope in Washington DC A HUMMINGBIRD could soon be visiting the heavens—in a manner of speaking. NASA engineers want to build a space probe that behaves like a hummingbird approaching a flower. In other words it will use a touch-and-go landing technique to capture and analyse samples from a comet’s central core for the first time. The team, led by Glenn Carle of the NASA Ames Research Center in Moffett Field, California,