The Sun's Spectrum Peaks in the Green Region (I

Multiple Choice

The Sun's spectrum peaks in the green region (i.e., green is the most intense color in its spectrum) . The spectrum of Rigel (the knee of Orion) peaks in the short-wavelength end of the visible spectrum. Compared with the Sun, Rigel is

A) cooler and redder.
B) hotter and redder.
C) cooler and bluer.
D) hotter and bluer.