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发帖数: 1994 | 1 The Seasons of Saturn
Credit: R. G. French (Wellesley College) et al., Hubble Heritage Team (AURA / STScI /
NASA)
Explanation: Since Saturn's axis is tilted as it orbits the Sun, Saturn has seasons, like those
of planet Earth ... but Saturn's seasons last for over seven years. So what season is it on Saturn
now? Orbiting the equator, the tilt of the rings of Saturn provides quite a graphic seasonal
display. In fact, this month, Saturn's ring |
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