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Be A Space Advocate!
Act now to help keep our space program going strong. Make your voice heard and tell our newly elected officials to make space a priority.
Donate TodayThe LightSail 2 Mission
Carl Sagan co-founded The Planetary Society to give you a role in space exploration.
Join CEO Bill Nye and the world’s largest and most effective space advocacy movement.
Become a memberSharing and growing the passion, beauty, and joy of space exploration.
