The declination of a star in the sky is defined as the angle between the
A) position of the center of the Galaxy and the star, measured along the galactic plane.
B) celestial equator and the star, measured along a great circle passing through both celestial poles.
C) Sun and the star, measured along the ecliptic plane.
D) great circle passing through the star and both celestial poles and the equivalent great circle through the vernal equinox, measured along the celestial equator.

Question

Quizplus · Accepted Answer

The declination of a star is analogous to latitude on Earth, defined as the angle between the celestial equator and the star, measured along a great circle that passes through both celestial poles.

The Declination of a Star in the Sky Is Defined