The three space coordinates that determine a star's position are the
A) celestial sphere, celestial prime meridian, and celestial equator.
B) zodiac, constellation, and star name.
C) distance, declination, and right ascension.
D) astronomical unit, parsec, and light-year.

Question

Quizplus · Accepted Answer

The three space coordinates that determine a star's position are distance, declination, and right ascension. Distance measures how far away the star is, declination is its angular distance north or south of the celestial equator, and right ascension is its angular distance measured eastward along the celestial equator from the vernal equinox.

The Three Space Coordinates That Determine a Star's Position Are