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| − | The '''azimuth angle''' is the [[angle]] between true [[south]] and the point on the horizon directly below the [[sun]].<ref>http://www1.eere.energy.gov/solar/solar_glossary.html</ref> | + | The '''azimuth angle''' is the [[angle]] between true [[south]] and the point on the horizon directly below the [[sun]].<ref>http://www1.eere.energy.gov/solar/solar_glossary.html</ref> |
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| | + | An ''azimuthal'' angle is an angle a line forms with the x-axis in the xy-plane, as measured in spherical coordinates. The variable is usually the Greek character theta.[1] |
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| | + | In geology, an azimuth is the angle between the vertical projection of a line of interest onto a horizontal surface and due North. It is typically measured clockwise from due North. |
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| | == References == | | == References == |