Redshift is observed when:(1 point)

Responses

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

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

1 answer

Redshift is observed when:

a distant luminous object travels rapidly away from an observer.

This phenomenon occurs due to the Doppler effect, where the wavelength of light is stretched, resulting in a shift towards the red end of the spectrum.

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