GEOG 1120 Chapter Notes - Chapter 2: Epsilon, The Cooler, Emissivity
Document Summary
Magnetosphere (protects earth from harmful solar wind from sun) Northern (aurora borealis) and southern (aurora australis) lights created by interaction of solar winds and upper atmospheres. Comprised of wavelengths and frequency in units of time. All objects above zero degree kelvin (also known as absolute zero) emit radiation. Zero degree kelvin = anything in degrees celsius + 273. 15 = k (kelvin) This equation is a relationship of the temperature to the amount of energy it emits. Always assume the emissivity is 1 in geography. The cooler the object, the less radiation it emits, vice versa. E = (5. 67x10 to the power of negative eight wm to the power of negative 2 k to the power of negative 4) (6000 k) to the power of 4) Wien"s law (wavelength) max (maximum) = {2897 (micrometres) k}
