Which of the following studies is best suited to astronomical observations that fall into the category called timing?
A)studying how different planets differ in their surface compositions
B)studying how a star's brightness varies over a period of 3 years
C)measuring the rotation rate of a distant star
D)determining the age of the solar system

Question

Quizplus · Accepted Answer

Studying how a star's brightness varies over a period of 3 years falls under timing observations, as it involves measuring changes in a celestial object over a specific time period. The other options do not involve observing changes over time and are not suited to timing observations.

Which of the Following Studies Is Best Suited to Astronomical