Definitions for vertical circle
This page provides all possible meanings and translations of the word vertical circle
a great circle on the celestial sphere passing through the zenith and perpendicular to the horizon
In astronomy, a vertical circle is a great circle on the celestial sphere that is perpendicular to the horizon. Therefore it passes through the zenith and the nadir. There is a vertical circle for any given azimuth, where azimuth is the angle measured east from the north on the celestial horizon. The vertical circle which is on the east-west direction is called the prime vertical. The vertical circle which is on the north-south direction is called the Local Celestial Meridian or Principal Vertical. Vertical circles are part of the horizontal coordinate system.
Images & Illustrations of vertical circle
Find a translation for the vertical circle definition in other languages:
Select another language:
Discuss these vertical circle definitions with the community:
Word of the Day
Would you like us to send you a FREE new word definition delivered to your inbox daily?
Use the citation below to add this definition to your bibliography:
"vertical circle." Definitions.net. STANDS4 LLC, 2015. Web. 24 Nov. 2015. <http://www.definitions.net/definition/vertical circle>.