~Redshifts were used as supporting evidence for the big bang theory.~
~Which describes redshifts? Check all that apply.~
A. The light source and observer move closer together.
B. Observed light shifts to a longer wavelength.
C. They indicate receding galaxies.
D. Observed light shifts to a shorter wavelength.
E. The light source and observer move farther apart.
F. They indicate approaching galaxies.
~Which describes redshifts? Check all that apply.~
A. The light source and observer move closer together.
B. Observed light shifts to a longer wavelength.
C. They indicate receding galaxies.
D. Observed light shifts to a shorter wavelength.
E. The light source and observer move farther apart.
F. They indicate approaching galaxies.
Answers & Comments
Explanation:
B. Observed light shifts to a longer wavelength.
C. They indicate receding galaxies.
E. The light source and observer move farther apart.
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Answer:
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Explanation:
B. Observed light shifts to a longer wavelength.