Perihelion
[,perɪ'hiːlɪən] or [,pɛrɪ'hilɪən]
解釋/意思:
(noun.) periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun.
恩里克錄入--From WordNet
解釋/意思:
(n.) Alt. of Perihelium
卡门錄入
解釋/意思:
n. the point of the orbit of a planet or a comet at which it is nearest to the sun—opp. to Aphelion.—Also Perihē′lium.
格思里整理