If a star exhibits no Doppler shift in its emitted light, it must be true that _______________.
A) the star is not moving relative to Earth
B) the star is neither moving toward nor away from Earth
C) the star only displays proper motion
D) the star does not emit much visible light

Question

Quizplus · Accepted Answer

If a star exhibits no Doppler shift, it means there is no change in the wavelength of the light due to motion toward or away from the observer, indicating the star is neither moving toward nor away from Earth.

If a Star Exhibits No Doppler Shift in Its Emitted