hour-circle

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Hour circle - Wikipedia
In astronomy, the hour circle is the great circle through a given object and the two celestial poles. Together with declination and distance it determines ... en.wikipedia.org
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HOUR CIRCLE Definition & Meaning - Dictionary.com
A great circle passing through the poles of the celestial sphere and intersecting the celestial equator at right angles. An hour circle is equivalent to a ... www.dictionary.com
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hour-circle, n. meanings, etymology and more
There are three meanings listed in OED's entry for the noun hour-circle. See 'Meaning & use' for definitions, usage, and quotation evidence. www.oed.com
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hour-circle
ˈhour-circle 1. Any great circle of the celestial sphere passing through the poles; a meridian or declination-circle. Twenty-four of these are commonly marked on the globe, each distant from the next by one hour of right ascension.1690 Leybourn Curs. Math. 359 Through either of the Poles..there are ... Oxford English Dictionary
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Hour circle | Hour Angle, Celestial Coordinates ... - Britannica
hour circle, in astronomy, any great circle (similar to longitude) on the celestial sphere that passes through the celestial poles—i.e., is perpendicular to the ... www.britannica.com
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Hour Circle Definition for Land Surveyors - Learn CST
hour circle—Any great circle on the celestial sphere whose plane is perpendicular to the plane of the celestial equator. Hour circles are also called ... learncst.com
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Hour circle
In astronomy, the hour circle is the great circle through a given object and the two celestial poles. A meridian on the celestial sphere matches an hour circle at any time. wikipedia.org
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Hour Circle -- from Eric Weisstein's World of Astronomy
The position of the hour circle and the azimuthal coordinate of a celestial body lying on it is specified by its right ascension. Celestial Pole, Hour Angle, ... scienceworld.wolfram.com
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Introduction to Principles of Astronomy
Hour circles on the celestial sphere compare with the meridian circles or meridians of longitude of the earth. In the figure, PSU is an hour circle arc. gml.noaa.gov
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HOUR CIRCLE Definition & Meaning - Merriam-Webster
The meaning of HOUR CIRCLE is a circle on the celestial sphere that passes through both celestial poles. www.merriam-webster.com
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HOUR CIRCLE Definition & Meaning - Dictionary.com
a great circle on the celestial sphere passing through the celestial poles and containing a point on the celestial sphere, as a star or the vernal equinox. www.dictionary.com
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Tripadvisor | 大环岛和哈雷瓦 9 小时游 | 火奴鲁鲁, 夏威夷
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11th Hour (novel)
He used a cop, so the circle closes down. Joe Hartlaub wrote in the Book Reporter website, "The '11th Hour' . . . may be the best Women's Murder Club novel to date." wikipedia.org
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Please explain how to finger crochet - 1 hour infinity circle scarf
Rothfeld welcome to colors of Lily I want to share with you this super simple thing a crochet infinity scarf that I completed it took a little over an hour
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Hour angle
hour circle (containing Earth's axis and a given point of interest). These angles can be measured in time (24 hours to a circle) or in degrees (360 degrees to a circle)—one or the other, not both. wikipedia.org
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