The right ascension of a star is one coordinate of its position, measured along the
A) observer's meridian.
B) celestial equator.
C) observer's horizon.
D) ecliptic.

Question

Quizplus · Accepted Answer

Right ascension is measured along the celestial equator, not the observer's meridian, horizon, or the ecliptic. It is analogous to longitude on Earth and is one of the two coordinates, along with declination, used in the equatorial coordinate system to specify the positions of celestial objects.

The Right Ascension of a Star Is One Coordinate of Its