Taking the reciprocal of a star's parallax angle in arcsec gives the star's
A) energy output in joules.
B) absolute magnitude in watts.
C) solar constant in watts.
D) distance in parsecs.

Question

Quizplus · Accepted Answer

The reciprocal of a star's parallax angle in arcseconds gives its distance in parsecs, a unit of distance used in astronomy to measure the distance between astronomical objects outside our Solar System.

Taking the Reciprocal of a Star's Parallax Angle in Arcsec