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Harpooning space debris

(Phys.org) —Faced with the challenge of capturing tumbling satellites to clear key orbits, ESA is considering turning to an ancient terrestrial technology: the harpoon.

Jun 25, 2014
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Image: Soaring over Lunar Mt. Hadley

(Phys.org) —Apollo mission planners selected an adventurous landing site for Apollo 15 located on a relatively small patch of lava plains, called "mare" on the moon. This site is nestled between the towering ...

Jun 19, 2014
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