Which of the following is true

Which of the following is true?

A. During the summer, the Sun emits shortwave radiation, while during the winter the Sun emits longwave radiation.

B. The radiation emitted by the Sun and Earth are roughly the same wavelength.

C. The Sun emits longwave radiation, whereas Earth emits shortwave radiation.

D. The Sun emits shortwave radiation, whereas Earth emits longwave radiation.

E. Because the Sun is so far away, it is impossible to measure the wavelengths of its radiation.