Friday, 25 September 2015

Rosetta reveals what keeps comets "alive"

Comet 67P/Churyumov–Gerasimenko at perihelion

On August 13, comet 67P/Churyumov–Gerasimenko and ESA’s unmanned Rosetta probe made their closest approach to the Sun. Both are now heading for the outer Solar System, but Rosetta still has secrets to reveal. One is that the comet has a daily water cycle that, according to the space agency, keeps it "alive."

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Section: Space

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from Gizmag Emerging Technology Magazine http://ift.tt/1OXRlIo

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