The point in the path of a celestial object or spacecraft orbiting (or passing) Saturn at which it is nearest to the planet.
单词 | θ698 |
释义 | the world > the universe > planet > primary planet > satellite of Saturn > [noun] > position of (1) perisaturnium1838 The point in the path of a celestial object or spacecraft orbiting (or passing) Saturn at which it is nearest to the planet. |
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