For light, a red shift indicates the light source moves
A)toward you.
B)away from you.
C)at right angles to you.
D)actually, all of the above
E)none of the above

Question

Quizplus · Accepted Answer

A red shift in the context of light indicates that the light source is moving away from the observer. This phenomenon is a result of the Doppler effect, where the wavelength of light is stretched, making it appear redder as the source moves away.

For Light, a Red Shift Indicates the Light Source Moves