"Red shift" refers to the tendency of stars to cool over time and thus to become red in color.

Name: "Red shift" refers to the tendency of stars to cool over time and thus to become red in color.
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Quizplus · Accepted Answer

"Red shift" refers to the phenomenon of the elongation of light waves from distant galaxies as they move away from Earth, causing a shift towards the red end of the spectrum, indicating that they are moving away from us. It has nothing to do with the cooling or color change of individual stars.

"Red Shift" Refers to the Tendency of Stars to Cool