Sentences with phrase «ancient icy object»
When astronomers sent Rosetta to the ancient icy object, the spacecraft's mission was to understand the comet's composition so scientists could, ultimately, use it as a time capsule to see what the early solar system looked like.
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New Horizons also could potentially take a close - up look at a smaller, more ancient object much farther out in the Kuiper Belt: the disk - shaped region beyond the orbit of Neptune believed to contain comets, asteroids and other small, icy bodies.