JWST is making observations in orange to mid-infrared wavelengths. The sun, earth, and moon are all quite hot and emit a lot of light in that range of wavelengt

JWST is making observations in orange to mid-infrared wavelengths. The sun, earth, and moon are all quite hot and emit a lot of light in that range of wavelengths. Near L2, JWST can use one sunshield to block out light from all three bodies, with less impact on what portion of the sky it can observe