If you were standing on the Earth's equator, which of the following in the sky would pass through your zenith during the entire day (24 hours)
A)the north celestial pole
B)the south celestial pole
C)the celestial equator
D)the nadir

Question

Quizplus · Accepted Answer

The celestial equator is an imaginary line in the sky that is directly above the Earth's equator. As the Earth rotates, the celestial equator appears to move from east to west across the sky, crossing the observer's zenith at some point during the day. Since the equator is located directly above the observer's position on the Earth's equator, it will pass through the zenith during the entire day (24 hours). The north and south celestial poles, on the other hand, are located at the Earth's rotational axis and will not pass through the observer's zenith unless they are located directly above the observer's position (which only happens at the Earth's poles). Finally, the nadir is the point on the opposite side of the Earth from the observer and is not relevant to the question.

If You Were Standing on the Earth's Equator, Which of the Following