Answer to Question #298167 in Astronomy | Astrophysics for narjes

Astronomy | Astrophysics

Question #298167

If another galaxy is seen at a redshift of 0.5, what redshift would it see us at?

Expert's answer

"z'=z=0.5,"

Doppler effect redshifts (z > 0) are associated with objects receding (moving away) from the observer with the light shifting to lower energies.

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