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Planetary Society Advent Calendar for December 17: Proteus

Emily Lakdawalla • December 17, 2009

Proteus is a weird name for this world. It's the second-largest moon of Neptune, and so it's named (as are all of Neptune's moons) for deities associated with the sea.

Planetary Society Advent Calendar for December 10: Triton

Emily Lakdawalla • December 10, 2009

Welcome to the tenth post in my "Advent Calendar" -- I am opening a door each day on a different world in the solar system, and I'll be continuing to do so until New Year's Day.

Bill Nye and people
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