The Sun is on the celestial equator at the times of the
A)vernal equinox and the summer solstice.
B)autumnal equinox and the vernal equinox.
C)summer solstice and the winter solstice.
D)autumnal equinox and the winter solstice.
E)Sun is on the ecliptic and is never on the celestial equator.

Question

Quizplus · Accepted Answer

The celestial equator is an imaginary circle on the celestial sphere that is equidistant from the celestial poles. The vernal and autumnal equinoxes are the two times of the year when the Sun is on the celestial equator, and these occur around March 20th and September 22nd each year. Therefore, the answer is B, which includes both the vernal and autumnal equinoxes.

The Sun Is on the Celestial Equator at the Times