Stardust aerogel with comet dust impact

Stardust aerogel with comet dust impact

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Caption: Stardust aerogel with comet dust impact (centre right). The aerogel was extended into the dusty coma of the comet Wild-2 by the Stardust spacecraft during its encounter in January 2004. The aerogel then returned to Earth in a capsule, landing on 15th January 2006. The spacecraft remained in space. The aerogel (blue) is a solid with extremely low density, designed to slow and stop the dust particles without damaging them. Comets are relics from the formation of the solar system, and study of their composition could provide information on its history.

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Keywords: 2006, 21st century, aerogel, american, astronomical, astronomy, astrophysical, astrophysics, capsule, centre, collected, collection, comet, cometary, dust, exploration, impact, johnson space center, laboratory, material, particle, research, sample return, solar system, space craft, stardust, united states, us, usa, wild-2

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