zulemaaragonez zulemaaragonez 09-12-2018 Biology contestada Which statement describes redshifts? Redshifts occur when the light source and observer move farther apart, and the light observed shifts to a shorter wavelength. Redshifts occur when the light source and observer move farther apart, and the light observed shifts to a longer wavelength. Redshifts occur when the light source and observer move closer together, and the light observed shifts to a shorter wavelength. Redshifts occur when the light source and observer move closer together, and the light observed shifts to a longer wavelength.