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首页月球壁纸 Titan and Callisto

Titan and Callisto

月球壁纸

by NASA/JPL-Caltech/ASI

NASA Image Library · 公有领域（Public Domain）

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These images compare surface features observed by NASA Cassini spacecraft at the Xanadu region on Saturn moon Titan left, and features observed by NASA Galileo spacecraft on Jupiter cratered moon Callisto right.

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