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GEOG 1120 (2)
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Chapter 2

GEOG - CHAPTER 2.pdf

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Department
Geography
Course
GEOG 1120
Professor
Tang
Semester
Fall

Description
GEOG - CHAPTER 2 September 11, 2013 6:03 PM Solar energy to Earth and the seasons 1) Solar wind - clouds of electricallycharged particles 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 2) Electromagneticenergy - Comprised of wavelengths and frequency in units of time - Shorter wavelength,longer frequency, vice versa - Wavelength = speed of light over frequency Radiation Laws 1. All objects above zero degree Kelvin (also known as absolute zero) emit radiation Zero degree Kelvin = anything in degrees celsius + 273.15 = K (kelvin) Zero degrees Kelvin is -273.15 degrees celsius 2. Stefan-Boltzmann Law E (energy emitted by object) = greek letter epsilon (emissivityof object, you could just re
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