| 单词 | comet family |
| 释义 | comet familycomet familyA distinct group of comets, the members of which have aphelion distances that coincide approximately with points on the orbit of a giant planet, in particular Jupiter. Associations with Saturn, Uranus, and Neptune are now considered to be dynamically implausible. See Jupiter's comet family.comet family[′käm·ət ‚fam·lē] |
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