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Time and Navigation
If you want to know where you are, you need a reliable clock. Explore our new exhibition, now open in DC. |
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Observe the Sun
Stop by our Public Observatory in DC to view the Sun through solar-safe telescopes or watch live stream online. |
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Watch Past Lectures
Watch archived videos of past lectures including "Caution and Boldness: Balancing Risk in Spaceflight" on 2/1/13 |
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Moving Beyond Earth
Shuttle and space-station era exhibition explores recent human spaceflight and future possibilities. |
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National Mall Building
