
Mars rover had good opportunities to image passing comet
NASA's Mars Exploration Rover Opportunity captured images of a comet passing much closer to Mars than any previous known comet flyby of Earth or Mars. The images of comet Siding Spring were taken ag ... more
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Mars Reconnaissance Orbiter Studies Comet Flyby
NASA's Mars Reconnaissance Orbiter, which has sent home more data about Mars than all other missions combined, is also now providing data about a comet that buzzed The Red Planet.
The orbiter ... more
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Solar-driven ionosphere charges may nudge stressed faults toward rupture
Stable black carbon in mangrove soils boosts coastal climate role
Low crystallinity iron minerals show promise for chromium cleanup and carbon storage
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MAVEN Studies Passing Comet and Its Effects
NASA's newest orbiter at Mars, MAVEN, took precautions to avoid harm from a dust-spewing comet that flew near Mars today and is studying the flyby's effects on the Red Planet's atmosphere.
The ... more
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Comet's Close Encounter 'One in a Million'
University of Arizona scientists have their eyes on Mars for the fly-by of comet Siding Spring, which will pass the red planet on Oct. 19, closer than any comet has ever zoomed past the Earth in rec ... more
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Rare comet fly-by of Mars on Sunday
A fast-moving comet is about to fly by Mars for a one-in-a-million-year encounter with the Red Planet, photographed and documented by a flurry of spacecraft, NASA said. ... more
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MAVEN spacecraft's first look at Mars holds surprises
NASA's MAVEN spacecraft has provided scientists their first look at a storm of energetic solar particles at Mars and produced unprecedented ultraviolet images of the tenuous oxygen, hydrogen and car ... more
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Mars One -- and done?
In 2012, the "Mars One" project, led by a Dutch nonprofit, announced plans to establish the first human colony on the Red Planet by 2025. The mission would initially send four astronauts on a one-wa ... more
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