Which of the following describes parallax?
A) It is best measured over exactly one year intervals.
B) It is inversely proportional to the distance to the star.
C) It was first observed by Galileo with his new telescope.
D) It is only applicable to objects within the solar system.
E) It is more accurate as the distances to objects becomes greater.

Question

Quizplus · Accepted Answer

Parallax is the apparent shift in the position of a celestial object due to the observer's changing point of view. This shift is related to the distance of the object, and the two are inversely proportional. Therefore, B is the best choice.

Which of the Following Describes Parallax