Redshift is observed when:(1 point)

Question

Responses

a luminous object is traveling alongside an observer.
a luminous object is traveling alongside an observer.

a distant luminous object travels rapidly towards an observer.
a distant luminous object travels rapidly towards an observer.

a luminous object is stationary relative to an observer.
a luminous object is stationary relative to an observer.

a distant luminous object travels rapidly away from an observer.
a distant luminous object travels rapidly away from an observer.
Remaining Attempts : 3

Answer 1

Redshift is observed when:

a distant luminous object travels rapidly away from an observer.

This is due to the Doppler effect, where the wavelength of light is stretched, causing it to shift towards the red end of the spectrum as the object moves away.