Three stars are shown with their spectra above them. The visible part of the spectrum is indicated by a rainbow. Shorter wavelengths are on the left side of the graph. Which lists the stars from coolest to hottest? Star 1 is a yellow star with a spectrum that peaks in green light, star 2 is an orange star with a spectrum that peaks in infrared, and star three is a blue star with a spectrum that peaks in the ultraviolet 2, 1, 3 2, 3, 1 1, 3, 2 1, 2, 3 3, 2, 1 3, 1, 2