Artist's rendering of NASA's Stardust capsule returning to Earth. The Stardust spacecraft will bring back samples of interstellar dust, including recently discovered dust streaming into our Solar System from the direction of Sagittarius.

Artist's rendering of the Stardust capsule returning to Earth. The Stardust spacecraft will bring back samples of interstellar dust, including recently discovered dust streaming into our Solar System from the direction of Sagittarius.

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