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This photo of periodic comet Churyumov-Gerasimenko (67P) was taken on November 7, 2021 by Rolando Ligustri (CARA Project, CAST). The comet's tail seems to stretch past Pollux, one of the twins of the constellation Gemini.

Comet 67P is commonly known as Rosetta's comet because the Rosetta probe met up with the comet in deep space and orbited it as it moved into the inner Solar System and around the Sun. The mission ended with Rosetta joining its lander Philae on the comet. So this comet is unique in carrying something of Earth on its travels.

Rosetta's Comet