| 单词 | polar orbit |
| 释义 | > as lemmaspolar orbit polar orbit n. an orbit of a spacecraft or satellite that passes over the polar regions of a celestial object; spec. one whose plane contains the polar axis. ΘΚΠ society > travel > air or space travel > space flight > [noun] > a space shot or flight > course or trajectory of spacecraft > orbiting > types of orbit parking orbit1941 polar orbit1956 transfer orbit1961 Molniya orbit1981 1956 Sci. Monthly July 16/1 In the polar orbit, however, the rotation of the earth causes the track of the satellite over the ground to spiral around in a complicated fashion. 1961 Times Rev. Industry Feb. 26/3 There are a number of possible satellite systems using polar, inclined and equatorial orbits. 1995 Denver Post 27 May c1/5 The agency maintains four satellites (two in polar orbit and one in ‘geostationary’ position over each coast). < as lemmas |
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