What relationship exists between a star's distance and its parallax?
A) Distance is directly proportional to parallax.
B) Distance is inversely proportional to parallax.
C) Distance is directly proportional to parallax squared.
D) Distance is inversely proportional to parallax squared.
E) Distance and parallax are not related to each other at all.

Question

Quizplus · Accepted Answer

The distance to a star is inversely proportional to its parallax angle. As the parallax angle decreases, the distance increases, following the formula: distance (in parsecs) = 1 / parallax angle (in arcseconds).

What Relationship Exists Between a Star's Distance and Its Parallax