Astronomy and Nautical. The difference between the apparent actual position of a planet, etc., and its mean position (i.e. that which it would occupy…
| 单词 | θ1368 |
| 释义 | the world > the universe > cosmology > science of observation > astronomical calculation > [noun] (35) prosthaphaeresis1599 Astronomy and Nautical. The difference between the apparent actual position of a planet, etc., and its mean position (i.e. that which it would occupy… annual equation1700 a discrepancy in the observed position of the sun or moon in the sky, compared to its theoretical position or mean motion, that varies regularly… lunar equation1712 the intercalation of a lunar month after three lunar years; also, the correction of the epact in the Gregorian calendar necessitated by the error of… metemptosis1728 Omission of the extra day of a leap year; the correction to the Gregorian calendar whereby, in any 400-year period, three expected leap years… Subcategories:— stars (3) — part (8) — unit (5) — astronomical tables (14) — correction (1) |
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