Astronomy. A circle on the celestial sphere corresponding to the geographic Antarctic Circle (sense 2), at a declination currently of 66° 33′ 44″…
| 单词 | θ923452 |
| 释义 | the world > the universe > celestial sphere > circle of celestial sphere > [noun] > lesser circle > polar circle > antarctic circle (1) Antarctic Circlec1550 Astronomy. A circle on the celestial sphere corresponding to the geographic Antarctic Circle (sense 2), at a declination currently of 66° 33′ 44″… |
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