A geometric parallax is the apparent displacement of a foreground object relative to a background object when an observer's position changes and can be used to calculate the
A)temperature of faraway stars.
B)temperature of nearby stars.
C)distance of faraway stars.
D)distance of nearby stars.

Question

Quizplus · Accepted Answer

Geometric parallax can be used to calculate the distance of nearby stars. This is because as the observer's position changes, the angle between the foreground and background object changes, and by measuring this angle, the distance of the foreground object can be calculated using trigonometry.

A Geometric Parallax Is the Apparent Displacement of a Foreground