Astronomy. The angular distance of a celestial object (or a point on the celestial sphere) eastward from the direction of the vernal equinox…
| 单词 | θ63 |
| 释义 | the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic > length of ecliptic (1) longitude1594 Astronomy. The angular distance of a celestial object (or a point on the celestial sphere) eastward from the direction of the vernal equinox… |
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