News tagged with orbit

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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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NASA image: Giant landform on Mars

(Phys.org) —Sandy landforms formed by the wind, or aeolian bedforms, are classified by the wavelength—or length—between crests. On Mars, we can observe four classes of bedforms (in order of increasing ...

Jun 06, 2014
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Solar orbiter's shield takes Sun's heat

(Phys.org) —ESA's Solar Orbiter mission has undergone its latest major test: its protective shield has been subjected to concentrated sunlight to prove it can cope with the fierce temperatures close in ...

Jun 04, 2014
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Lava, not water, formed canyons on Mars

The canyon-like scars which line Mars' crust are seen by many as evidence for liquid water. But a study now suggests that a different kind of fluid – one much less hospitable to life – may actually have ...

Jun 03, 2014
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