celestial equator

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Related to celestial equator: celestial poles
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  • noun

Synonyms for celestial equator

the great circle on the celestial sphere midway between the celestial poles

References in periodicals archive ?
In the southern hemisphere, the autumnal equinox corresponds to the center of the Sun crossing the celestial equator moving northward and occurs on the date of the northern vernal equinox, meaning spring begins in Australia and South America.
The directional bearing of a star is given in terms of its right ascension round the celestial equator.
The galaxies lie within a continuous ribbon of sky known as SDSS Stripe 82, lying along the celestial equator and encompassing 275 square degrees.
Using the 6-meter Atacama telescope, astronomers analyzed the temperature of the afterglow in a narrow strip of sky along the celestial equator.
The true equinox moments and the equivalent moments when the Moon, Mars, Venus or Mercury intersect the celestial equator (called here, by analogy, "planetary equinoxes") were determined by nonlinear interpolation of the data tabulated in the annual astronomy tables [4]; the residual error of this interpolation was much within the time resolution of our observations.
Nowrouz occurs when the sun crosses the celestial equator and equalises night and day, which is calculated exactly every year, hence the change in the time at which it is celebrated every year.
More coincidences are also happening here-Jupiter and Uranus find themselves close to the point on the sky known as the vernal equinox, where the Sun crosses the celestial equator on the first day of spring.
44[degrees] to the celestial equator (circle through the stars directly over the equator of the Earth).
Latitude" north and south from the celestial equator is measured in degrees and is called declination.
The fall equinox begins autumn in the northern hemisphere-the moment when the sun appears to cross the celestial equator and day and night are of approximately equal length.
Held between the historic axis of the Park and the N-S meridian line in plan, and clipped by the intersection between the axis of the North Star and the celestial equator in elevation, the edges of the cone could not be anywhere else.
Located 21,000 light-years away, M13 in Hercules is the finest globular cluster north of the celestial equator.
See if you can feel the exact moment when the sun pulls even with the celestial equator, the imaginary line running from the equator into space.
At this point also, the celestial equator and the ecliptic equator will be at its farthest point.