The spectra of stars in other galaxies show a Doppler shift of spectral lines toward the ______ (color) end of the spectrum, thus providing evidence for the expansion of the universe.

Question

Quizplus · Accepted Answer

The Answer of The spectra of stars in other galaxies show a Doppler shift of spectral lines toward the ______ (color) end of the spectrum, thus providing evidence for the expansion of the universe.

The Spectra of Stars in Other Galaxies Show a Doppler