Stellar objects moving away from

shift toward the blue end of the spectrum
shift toward the red end of the spectrum
appear to be brighter than objects moving toward the earth
appear to be dimmer than objects moving away from the earth

Nothing special actually happens to the stellar objects themselves.

THE LIGHT FROM stellar objects that are moving away from Earth
appears to shift toward longer wavelengths (the red end of the spectrum),
compared with the wavelength it actually has when it leaves the stellar object.

Answerwavelength;