Which of the following variables related to star observation would not be among an astronomer's data?

Question

Quizplus · Accepted Answer

Astronomers observe stars using telescopes and instruments that measure light waves, so variables related to light such as wavelength, intensity, position, and brightness would all be part of an astronomer's data. However, sound is not a variable that can be measured or observed in relation to stars.

Which of the Following Variables Related to Star Observation Would