Electromagnetic Spectrum

The Electromagnetic Spectrum. Sun emits infrared, visible, and ultraviolet.  The earth emits infrared.
Figure 7.3. The Electromagnetic Spectrum showing segments of the spectrum with associated wavelengths(nm). Also, note the emittance curves for the Sun and Earth provided in the graph.
Electromagnetic Wave Spectrum by Horst Frank is licensed CC-BY-SA 4.0 International