Door 27 in the 2010 advent calendar

Time to open the twenty-seventh door in the advent calendar. Until the New Year, I’ll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system is this flat-floored depression?Door 27 Image resolution is about 2 meters per pixel, and the full image covers an area about 1 kilometer square. Credit: NASA / JHUAPL / Emily LakdawallaThis photo is intended to check who was paying close attention to the ….


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