Astronomy. The angular distance of a heavenly body (north or south) from the celestial equator, measured on a meridian passing through the body…
| 单词 | θ285 |
| 释义 | the world > the universe > heavenly body > position of heavenly body > [noun] > other (12) declinationc1400 Astronomy. The angular distance of a heavenly body (north or south) from the celestial equator, measured on a meridian passing through the body… meridian altitudec1400 the altitude of the sun at noon, or of any celestial object as it crosses the meridian. angle of position?a1560 the angle between the direction of a point and some other direction regarded as fundamental; spec. (a) the angle formed at the eye by the lines of… zenith distance1588 the angular distance of a celestial object from the zenith (the complement of its altitude or angular distance from the horizon). refraction1603 Astronomy. The effect of the atmosphere whereby light from a celestial object far from the zenith is deflected so as to increase the apparent… azimuth1626 The angular distance of any such circle from a given limit, e.g. a meridian. Hence, the true azimuth of a heavenly body is, the arc of the horizon… amplitude1627 Astron. The space by which a celestial body rises wide of due east, or sets wide of due west; its angular distance at rising or setting from the… horizontal parallax1665 Of or belonging to the horizon; situated on or occurring at the horizon. Now chiefly in special collocations, as horizontal parallax, the… complement1703 Astronomy. The difference between the altitude, latitude, declination, etc. of a heavenly body, and 90 degrees. Abbreviated coaltitude, n., co-lat… aberration1737 Astronomy. An apparent displacement of a celestial object from its true position, arising from the combined effect of the observer's motion and the… hour-angle1837 the angular distance between the meridian and the declination-circle passing through a heavenly body, which is the measure of the sidereal time… intercept1901 Navigation. The angular difference between the calculated and the observed zenith distances of a heavenly body. |
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