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发帖数: 1994 | 1 Saturn from Above
Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA
Explanation: This image of Saturn could not have been taken from Earth. No
Earth based picture could possibly view the night side of Saturn and the
corresponding shadow cast across Saturn's rings. Since Earth is much closer
to the Sun than Saturn, only the day side of the planet is visible from the
Earth. In fact, this image mosaic was taken in January by the robotic
Cassini spacecraft now orbiting Saturn. The beautiful rings of |
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