单词 | celestial horizon |
例句 | The Dip of the horizon at sea is the angular depression of the apparent sea 693 horizon, or circle bounding the visible ocean, below the apparent celestial horizon as above defined. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 6 "Home, Daniel" to "Hortensius, Quintus" 2012-03-15T02:00:32.250Z On the celestial horizon are the north, east, south and west points. Astronomical Lore in Chaucer 2011-10-13T02:00:42.860Z The celestial horizon is the intersection of the celestial sphere by a plane passing through the center of the earth and perpendicular to the normal. Scientific American Supplement, No. 360, November 25, 1882 The plane of the celestial horizon is, of course, different for different positions of the observer on the earth. Astronomical Lore in Chaucer 2011-10-13T02:00:42.860Z We have still to define a great circle of the celestial sphere that is of equal importance with the celestial equator and the celestial horizon. Astronomical Lore in Chaucer 2011-10-13T02:00:42.860Z |
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