celestial meridian

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A great circle on the celestial sphere passing through the celestial poles and an observer's zenith. An observer's celestial meridian is not a fixed reference on the celestial sphere but rather changes with the observer's location on Earth. Stars transit an observer's celestial meridian (that is, cross directly overhead in the sky at that location) once every 24 hours. Also called local meridian meridian

In the equatorial coordinate system, a great circle on the celestial sphere passing through the celestial poles and the vernal equinox. It represents the zero point for the horizontal coordinate in this system, having a right ascension of 0 hours.

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Words nearby celestial meridian

celestial horizon, celestial latitude, celestial longitude, celestial marriage, celestial mechanics, celestial meridian, celestial navigation, celestial pole, celestial sphere, Celestine I, Celestine II

How to use celestial meridian in a sentence

About Blood Meridian, Bloom has said, “The violence is the book.”
Compliments Are Nice, but Enough With the Cormac McCarthy Comparisons|William Giraldi|October 21, 2014|DAILY BEAST
One has to believe that Brazil was at the receiving end of some great celestial wrath.
Germany Humiliates World Cup Host Brazil 7-1 in Semifinal Slaughter|Tunku Varadarajan|July 8, 2014|DAILY BEAST
As a music fan, it was very exciting to finally have access to something close to a celestial jukebox—all music, instantly.
15 Years After Napster: How the Music Service Changed the Industry|Alex Suskind|June 6, 2014|DAILY BEAST
To its proponents Andhra was the meridian, after 600 years of division and dispersal, of Telugu civilization.
India’s Newest State Telangana Is Bosnia Redux|Kranti Rai|March 22, 2014|DAILY BEAST

We can only thank some celestial power that he did not seek refuge in the United States.
Cut the Baloney on Ukraine|Leslie H. Gelb|March 9, 2014|DAILY BEAST
Just corporeal enough to attest humanity, yet sufficiently transparent to let the celestial origin shine through.
Pearls of Thought|Maturin M. Ballou
But from south-westerly winds, were no further advanced by the 8th than the meridian of Cape Chatham.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King
At this place he obtained an indifferent meridian altitude which placed it in 16 degrees 40 minutes 18 seconds South.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King
At first men imagined the celestial bodies to be, as they seemed, small objects not very far away.
Outlines of the Earth's History|Nathaniel Southgate Shaler
Atmospheric envelopes appear to be common features about the celestial spheres.
Outlines of the Earth's History|Nathaniel Southgate Shaler