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Know the Cosmos and our place within it.
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Empowering the world's citizens to advance space science and exploration.

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“Exploration is in our nature.” - Carl Sagan

Articles

Stories, updates, insights, and original analysis from The Planetary Society.

The LightSail mission: From concept to reality

How a grassroots movement sailed on sunlight.

Cosmos 1 flight unit

The Planetary Society’s role in real space missions

Since 1980, The Planetary Society has been active in over 20 space exploration missions, from leading public outreach efforts to funding the development of instruments.

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