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."
.. Continue Reading Rosetta reveals what keeps comets "alive"
Section: Space
Tags:
Comets
Rosetta
ESA
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