| NATS 101 Lecture 5 Radiation |
| Radiation |
| Electromagnetic Waves |
| Why Electromagnetic Waves? |
| Photons |
| Electromagnetic Spectrum |
| Emitted Spectrum |
| Emitted Spectrum |
| WienÕs Law |
| WienÕs Law |
| WienÕs Law |
| Stefan-BoltzmannÕs (SB) Law |
| How Much More Energy is Emitted by the Sun per m2 Than the Earth? |
| Radiative Equilibrium |
| Radiative Equilibrium (cont.) |
| Modes of Heat Transfer |
| Key Points |
| Key Points |
| Reading Assignment |