Question

What does it mean if a galaxy gives off light that has been shifted toward the red

end of the electromagnetic spectrum?

Answer 1

Answer: Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or galaxies) move closer or farther away from us. ... When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer.

Step-by-step explanation: