LightSail 2: Fulfilling a Dream

Carl Sagan dreamed of solar sailing before founding The Planetary Society in 1980. Now our members have helped us fulfill that dream.

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About The Planetary Society:
The Planetary Society has inspired millions of people to explore other worlds and seek other life. With the mission to empower the world's citizens to advance space science and exploration, its international membership makes the non-governmental Planetary Society the largest space interest group in the world. Carl Sagan, Bruce Murray and Louis Friedman founded the Planetary Society in 1980. Bill Nye, a longtime member of The Planetary Society's Board, serves as CEO."