Space Daily July 18, 2026 • 20:30

In 2004 a NASA probe caught a comet's tail on a sheet of aerogel, flew the grains 4.6 billion kilometres home, and dropped them into the Utah desert — the first solid pieces of a comet ever returned to Earth - Space Daily

In 2004 a NASA probe caught a comet's tail on a sheet of aerogel, flew the grains 4.6 billion kilometres home, and dropped them into the Utah desert — the first solid pieces of a comet ever returned to Earth - Space Daily

On 2 January 2004, NASA's Stardust spacecraft flew through the cloud surrounding comet 81P/Wild 2 at 6.1 kilometres per second. A collector filled with silica

On 2 January 2004, NASA’s Stardust spacecraft flew through the cloud surrounding comet 81P/Wild 2 at 6.1 kilometres per second. A collector filled with silica aerogel faced the incoming dust, slowing… [+9134 chars]
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