The celestial equator is an extension of Earth's equator in space that bisects the sky into two hemispheres. The celestial equator is only one part of the larger sky coordinate system, called the celestial sphere. The celestial equator is positioned at 0 degrees declination, like Earth's equator is 0 degrees latitude.
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The celestial equator is the great circle of the imaginary celestial sphere on the same plane as the equator of Earth. By extension, it is also a plane of ...
The celestial equator intersects another useful great circle, the ecliptic. As Earth orbits the Sun, the constantly changing direction from which the Sun is ...
The celestial equator is the line coplanar with the earth's equator (and 90° to the axis of rotation). The north celestial pole is directly above the earth's ...
Feb 5, 2024 · The celestial equator will always pass overhead when viewed from the earth's equator. Someone at the poles will 'see' it along the horizon.
The celestial equator is 0° DEC, and the poles are +90° and -90°. Right ascension (RA) is the celestial equivalent of longitude. RA can be expressed in degrees, ...
May 19, 2021 · The celestial equator is an imaginary line across the sky, subtended from the Earth's equator and 90 degrees from either celestial pole (the ...
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Posted: Nov 7, 2019
Posted: Nov 7, 2019
Feb 15, 2017 · 1: The axis of the Earth pierces through the body of the Earth in a straight line joining the two poles, whereas the Equator is a great circle ...