geo3 - 2/5/11 ..and revolves around the sun...

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Click to edit Master subtitle style 2/5/11 University of Florida Physical Geography 2200L Instructor: Caroline Staub Spring 2011 www.physicalgeograph
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2/5/11 Planets in the Solar System http://en.wikipedia.org/wiki/File:Planets2008.jpg Distance (million mi ) 8,00 0 Diameter (miles) Revolution (years) 92.6 365 8 Rotation (days) 0.4 1 30 1 75, 000 1,40 0
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2/5/11 The Earth rotates upon itself 1) provides a convenient measure of time 2) Imposes a daily rhythm - physical processes 3) Responsible for direction that air and water flow and air ( Coriolis effect) Right in N, left in the S hemisphere 4)Influences the tides – changes in gravitational pull
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Unformatted text preview: 2/5/11 ..and revolves around the sun www.physicalgeograph So what? The Earth goes around the Sun in one year + 1/4 of a day Shape of orbit is elliptic (periphelion, aphelion) The rotation and revolution are both responsible for the 2/5/11 www.physicalgeograph The axis is the point upon which the Earth rotates or spins think of a top Axis is titled away from t he plane of the ecliptic The direction of the axis does not change as the earth revolves around the sun As a result: we have seasons! (diagram, animation) Seaso ns...
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This note was uploaded on 02/04/2011 for the course GEO 2200 taught by Professor Wolf during the Spring '08 term at University of Florida.

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geo3 - 2/5/11 ..and revolves around the sun...

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