Designating a star which passes the observer's meridian at almost the same time and declination as the moon, used in calculating longitude. See also…
| 单词 | θ848 |
| 释义 | the world > the universe > star > kind of star > stars that show the way > [adjective] > navigation aid (1) moon-culminating1824 Designating a star which passes the observer's meridian at almost the same time and declination as the moon, used in calculating longitude. See also… |
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