The red shift refers to ___________.
A) the red light emitted by planets as they rotate on their axis
B) a visual effect related to the Doppler effect and stars moving further away
C) the tendency of redder stars to be located in the edges of the universe
D) the tendency of stars to cool and become red in color

Question

Quizplus · Accepted Answer

The red shift is a phenomenon where light from objects in space appears to be shifted towards the red end of the spectrum due to the Doppler effect, which occurs when objects are moving away from us. This effect is commonly observed in distant stars and galaxies that are moving away from us, indicating that the universe is expanding.

The Red Shift Refers to ___________