Images: Streaking home with piece of comet's tail

Images: Streaking home with piece of comet's tail

Summary: NASA's Stardust space capsule, loaded with captured comet dust, is expected to make a grand return to Earth.

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TOPICS: Nasa / Space
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  • aerogel

    Scientists hope that the aerogel, which is 95 percent air, has captured materials that will reveal information from the earliest history of the solar system. The chemical and physical information from the samples could present a record of the formation of planets and the materials from which they were made.

    In an experiment using a special air gun, particles are shot into aerogel at high velocities to simulate the collection of samples from Wild 2's tail.

  • aerogel test

    Scientists test the comet dust collector before the launch of Stardust, in February 1999.

  • Stardust team

    Scientists who will examine the comet particles returned by Stardust try on their protective gear. The team has been preparing for the transport of the capsule containing comet debris into a clean room where it will documented, processed and analyzed.

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Topic: Nasa / Space

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