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December Night Sky

December is a time of transition for the night sky, with even Cygnus, that last element of the summer sky, disappearing in the West during the evening, as Orion, the core of the winter sky, rises in the East. This endless cycle of comings and goings over the year is, for me, one of the great pleasures of astronomy. Two particular things I'll be watching out for this month. The Geminid meteor shower has been increasingly bright in recent years, as the earth's orbit and the denser parts of the meteor stream have moved closer together. Geminids tend to be bright, but slow by meteor standards. The maximum...

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