Explore Worlds
Find Life
Defend Earth
Opening Solar Sails in Space
Cheer along with Bill Nye and the flight controllers as The Planetary Society’s LightSail 2 spacecraft successfully deploys its solar sail in space.
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Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
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The Planetary Society
Our Vision
Know the cosmos and our place within it.
Our Mission
Empowering the world's citizens to advance space science and exploration.