| 单词 | periapsis |
| 例句 | In an elliptical orbit, the periapsis is the point at which the two objects are closest, and the apoapsis is the point at which they are farthest apart. Algebra and Trigonometry 2015-02-13T00:00:00Z On each of a moon’s orbits, periapsis shifts a little farther around the planet until it eventually returns to where it was. Saturn’s rings and several of its moons may be recent creations 2018-03-22T04:00:00Z As a result, HD 80606b experiences a rise in its outer atmospheric temperature of over 700 degrees Celsius in the space of 6 hours as it rockets through its periapsis with the star. Solstice, Periapsis, and the Hades Orbit 2011-12-21T22:45:00.237Z Generally, the velocity of the orbiting body tends to increase as it approaches the periapsis and decrease as it approaches the apoapsis. Algebra and Trigonometry 2015-02-13T00:00:00Z The answer is that the Earth’s orbit is very close to circular, and so periapsis is only about 3% closer to the Sun than the furthest point in our great elliptical orbital loop. Solstice, Periapsis, and the Hades Orbit 2011-12-21T22:45:00.237Z |
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