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Rosetta’s first peek at comet 67P’s dark side

4 October 2015 Astronomy Now

Since its arrival at comet 67P/Churyumov-Gerasimenko in August 2014, ESA’s Rosetta spacecraft has been surveying the surface and the environment of this curiously shaped body. Now that the comet is experiencing a brief, hot southern hemisphere summer, its south polar regions have emerged from almost five years of total darkness and it has been possible to observe them with other Rosetta instruments.