AURORA COMETALIS: Researchers have discovered another reason to visit comets: The icebergs from deep space have their own auroras. A paper published this week in Nature Astronomy explains how Comet 67P/Churyumov-Gerasimenko turns jets of water vapor from the comet's core into a weird form of Northern Lights. Get the full story at Spaceweather.com.
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Above: Comet 67P/Churyumov-Gerasimenko photographed by ESA's Rosetta spacecraft: FULL STORY
