| 单词 | planetary precession |
| 释义 | planetary precessionnoun Astronomy.the small component of the precession of the equinoxes contributed by the motion of the ecliptic, the change in orientation of the plane of the earth's orbit being produced by the gravitational attraction of the planets. Origin of planetary precessionFirst recorded in 1860–65 Words nearby planetary precessionplane table, planetarian, planetarium, planetary, planetary nebula, planetary precession, planetesimal, planetesimal hypothesis, planet gear, planetoid, planetology Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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