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Welcome to The Planetary Society's Online Community – Your Place in Space!

As you learn more about us online — by reading about the exciting projects we have underway and by participating in our advocacy efforts — please remember that our work is made possible by supporters like you.

The story of space exploration is being written every day…thank you for joining with us and becoming part of the story.

Bill Nye
CEO, The Planetary Society

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Planetary Defense

An asteroid or comet headed for Earth is the only large-scale natural disaster we can prevent. Working together to fund our Shoemaker NEO Grants for astronomers, we can help save the world.

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Beyond The Horizon, There's More To Explore!

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Space in Images

Pretty pictures and
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