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Our World: Stardust
Visit a lab at NASA’s Johnson Space Center where scientists study meteorites.  Learn how aerogel, the lightest material in the world helped capture pieces of a comet and return the comet dust to Earth. See what scientists can learn about our universe from these tiny particles.
Video Length: 395
Date Found: May 20, 2011
Date Produced: November 09, 2010
View Count: 0
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