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Planetary Society Advent Calendar for December 30: Tempel 1

Emily Lakdawalla • December 30, 2009

Looking over the list of planets, moons, and smaller bodies I posted so far, I realized I didn't have an image of a comet yet.

Bill Nye and people
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LightSail 2

LightSail 2 launched aboard the SpaceX Falcon Heavy. Be part of this epic point in space exploration history!

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