
An attendee of the USA Science and Engineering Festival uses marbles to build a universe consisting of atoms and dark matter. The USA Science and Engineering Festival took place at the Washington Convention Center in Washington, DC on April 26 and 27, 2014. Photo Credit: (NASA/Aubrey Gemignani)
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NASA ID
201404250034HQ
Date Created
April 25, 2014
Center
HQ
Media Type
image
Photographer
NASA/Aubrey Gemignani
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