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GGR100H1 (141)
Lecture

Solar radiation, the sun, etc

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Department
Geography
Course
GGR100H1
Professor
Joseph Leydon
Semester
Winter

Description
Geography Lecture #2 January 13, 2011 Solar Radiation Earth rotates eastwards daily on its own axis (rotation) Elongatedelliptical orbit around the sun Aphelion- the point where the earth is furthest from the sun Perihelion- point when the earth is closest to the sun The Sun 6000 K surface enough energy to fuse atoms together-> nuclear fusion sun radiates energy at the speed of light in a spectrum sun emits charged particles (solar wind) What is radiation? It is energy emitted as waves of electric and magnetic oscillations Electromagnetic radiation is emitted by all matter with a temperature Q (energy emitted from radiation) is proportional to the Temperature of the object Wavelength of radiation is inversely related to surface temperature (hotter o
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