Time to open the second 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. Can you guess where this crater-scarred surface lies?
December really has arrived, and that means that the year is racing to a close. Continuing last year's tradition, I'm counting the days to the New Year with an advent calendar, where each "door" opens onto a global image of a different world in the solar system.
Europe is apparently of the mind that science and technology will help to carry them out of tough economic times, and has made three-year commitments to continue the in-space operations of 11 missions through 2014.