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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.

Our Work
Explore Space
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“Exploration is in our nature.” - Carl Sagan

Your Role In Space Exploration Starts Now

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Featured Stories

Saving the World One Asteroid at a Time

Explore Jupiter

Why Lightning on Jupiter is a Planetary Unsolved Mystery

Planetary Radio

Defenders of Earth on Planetary Radio

The Threat Is Real

The answer is science, powered by you! Together, we defend Earth. Support our team of astronomers with a gift today.

The LightSail 2 Mission

LightSail Updates

LightSail 2 Enters Extended Mission Phase

The LightSail Mission

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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.

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Sharing and growing the passion, beauty, and joy of space exploration.

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Educate

We expand public knowledge about space.

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Advocate

We shape space policy and fight for future exploration.

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Innovate

We invest in innovative space science and technology.

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Collaborate

We cultivate a worldwide movement for space.

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"We're changing the world. Are you in?"
- CEO Bill Nye

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