Browse Archive
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'In Their Own Words' Videos
Astronauts tell what they like about their jobs.
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How Big Is the Sun? →
Compare the sizes of the planets to the sun if it were the size of a basketball.
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Interstellar Trip Planner →
How long does it take to travel to the nearest star?
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We Are the Explorers
This video looks at NASA's strong tradition of exploration and the great journeys that lie ahead.
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The Rabbit in the Moon →
Learn fascinating facts (and some fiction) about the moon.
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Good Fire, Bad Fire Video
Chris Justice says some fires are necessary.
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Fun in Microgravity
See pictures of cool things to do in microgravity.
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International Youth Art Contest Winners →
See the winners of a worldwide contest that NASA helped sponsor.
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Go With the Flow! →
Fix the currents so the flow will go where you want. Collect the keys and open the treasure chest!
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Planet Impact! →
Pelt Jupiter with comets!
