Which of the following lines or points is always directly over your head,no matter where on Earth you go?
A) the celestial equator
B) the ecliptic
C) the zenith
D) 90° north declination

Question

Quizplus · Accepted Answer

The zenith is always directly over your head, no matter where on Earth you go. The celestial equator and ecliptic are both imaginary lines in the sky that change based on your location and the time of year. 90° north declination is a specific point on the celestial sphere and is not always directly over your head.

Which of the Following Lines or Points Is Always Directly