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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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Featured Images

The TRAPPIST-1 system
The TRAPPIST-1 system: Where might liquid water exist?
Saturn in infrared
Europa lander concept
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Featured Video

Intro Astronomy 2017. Class 5: Venus & Mars

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Space in Images

Pretty pictures and
awe-inspiring science.

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