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Take a journey through space. Visit the planets, moons, asteroids, and comets that wander our planetary neighborhood and learn about the spacecraft that send us information and images about our solar system. Then, look beyond — explore newly-discovered planets orbiting other stars and search for life beyond Earth. Society Projects
Recent Additions
Weekly Planetary Radio Trivia Contest
Each Monday, Planetary Radio asks listeners a question. Listeners must send in their answers to planetaryradio@planetary.org by the following Monday. The winner will be chosen by a random drawing from among all the correct entries received. This week's prize is a Planetary Radio T-Shirt and an... 
Lunar Reconnaissance Orbiter (LRO)
LRO entered Lunar Orbit at 6:27pm EDT, June 23, 2009. Read our update about the orbit insertion maneuvers of LRO and LCROSS Read Ken Kremer's Interview with LCROSS Scienitst Kimberly Ennico After several decades in which lunar missions have taken a back seat to the exploration of more distant... 
Dawn
Dawn Journals: Dawn Project System Engineer Marc Rayman is contributing updates on the status of Dawn to The Planetary Society Weblog! May 27, 2009: Testing Flight Software 8.0 Apr. 29, 2009: Upgrades! Mar. 29, 2009: Safe without Safe Mode Mar. 8, 2009: Safely past Mars Jan. 27, 2009: Just... 
Kaguya (SELENE)
The Kaguya mission is almost complete, as the main spacecraft is expected to slam into the surface of the Moon on June 10, 2009. Stay tuned to The Planetary Society Weblog for updates! Kaguya, formerly known as SELENE, is Japan's entry into the international fleet of spacecraft soon to be sent to... Space TopicsLearn about space by exploring these and many more topics! Contests, Events, and Awards
Extrasolar PlanetsHow It WorksNear Earth ObjectsOur Solar SystemSearch for LifeSpace Missions
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