Meaning of celestial equator in English:

celestial equator


  • The projection into space of the earth's equator; an imaginary circle equidistant from the celestial poles.

    ‘The vernal and autumnal equinoxes occur when the ecliptic crosses the celestial equator, so linking stars, sun and earth through the passage of time.’
    • ‘The statue's sky globe, which is 26 inches in diameter, shows 41 Greek constellations, as well as the celestial equator, tropics and ecliptic.’
    • ‘The ‘equinox’ for Church purposes is stipulated to be the whole of March 21, whereas the astronomically defined instant of the equinox - when the Sun crosses the celestial equator - varies over a 53-hour range from March 19 to 21.’
    • ‘The first image is of the impressive spiral galaxy NGC 6118, located near the celestial equator, in the constellation Serpens.’
    • ‘Although Saturn has passed overhead before dusk, the planet, because it appears well north of the celestial equator, remains visible for several hours after sunset.’