| Some Blackbody Temperatures | |||
|---|---|---|---|
| Region | Wavelength (centimeters) |
Energy (eV) |
Blackbody Temperature (K) |
| Radio | > 10 | < 10-5 | < 0.03 |
| Microwave | 10 - 0.01 | 10-5 - 0.01 | 0.03 - 30 |
| Infrared | 0.01 - 7 x 10-5 | 0.01 - 2 | 30 - 4100 |
| Visible | 7 x 10-5 - 4 x 10-5 | 2 - 3 | 4100 - 7300 |
| Ultraviolet | 4 x 10-5 - 10-7 | 3 - 103 | 7300 - 3 x 106 |
| X-Rays | 10-7 - 10-9 | 103 - 105 | 3 x 106 - 3 x 108 |
| Gamma Rays | < 10-9 | > 105 | > 3 x 108 |