(astronomy) A great circle on the celestial sphere, passing through the two celestial poles and the observer's zenith.
celestial meridian
| Sci-Tech Dictionary: celestial meridian |
(sə′les·chəl mə′rid·ē·ən)
| 5min Related Video: celestial meridian |
| Columbia Encyclopedia: celestial meridian |
celestial meridian, vertical circle passing through the north celestial pole and an observer's zenith. It is an axis in the altazimuth coordinate system.
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 | gyrocompass alignment (navigation) |
| local hour angle (astronomy) |
| astronomical longitude (geodesy) |
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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| Columbia Encyclopedia. The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2003, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/. Read more |
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Mentioned in
- gyrocompass alignment (navigation)
- local hour angle (astronomy)
- astronomical longitude (geodesy)
- meridian observation (astronomy)
- Greenwich interval (astronomy)
- Greenwich hour angle (astronomy)
- meridian angle (astronomy)
- local apparent time (astronomy)
- local mean time (astronomy)
- exmeridian observation (astronomy)
- lower branch (astronomy)
- lower transit (astronomy)
- meridian altitude (astronomy)
- north point (astronomy)
