Door 1 in the Planetary Society Blog 2010 advent calendar

December really has arrived, and that means that the year is racing to a close. Last year, I counted the days to the New Year with an advent calendar, where each “door” opened onto a global image of a different world in the solar system, all processed by amateurs. As I explained last year, I do realize that the “advent” part of this calendar refers to Christmas, but I’m doing this my own non-denominational way by counting to the New Year ….


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