翻訳と辞書
Words near each other
・ Circle of Animals/Zodiac Heads
・ Circle of antisimilitude
・ Circle of confusion
・ Circle of Courage
・ Circle of Danger
・ Circle of Dead Children
・ Circle of Death
・ Circle of Death (album)
・ Circle of Death (sporting)
・ Circle of Deceit
・ Circle of Deceit (1993 film)
・ Circle of doom
・ Circle of Dust
・ Circle of Dust (album)
・ Circle of Eight
Circle of equal altitude
・ Circle of fifths
・ Circle of fifths text table
・ Circle of forces
・ Circle of Freedom
・ Circle of Friends
・ Circle of Friends (1995 film)
・ Circle of Friends (2006 film)
・ Circle of Friends (Bob Mould video)
・ Circle of Friends (Dexter)
・ Circle of Friends (disabled care)
・ Circle of Friends (novel)
・ Circle of Friends of the Medallion
・ Circle of Growth
・ Circle of Iron


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Circle of equal altitude : ウィキペディア英語版
Circle of equal altitude
The circle of equal altitude also called circle of position, CoP, is the real line of position in celestial navigation. It is defined as the locus of the Earth on which an observer sees a star, at a given time, with the same observed altitude, Ho.
== Parameters ==

The center of the CoP, is the substellar point or geographical position of the observed body, and its radius is the great circle distance equal to the zenith distance of the body.
* Center = geographical position of the body: (''B'', ''L'') = (''Dec'', ''GHA'')
* Radius = zenith distance: ''zd'' () = 60 ⋅ (90 - ''Ho'')

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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