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Determine solar incidence angle for a south-facing vertical surface at 1500 hr local solar time on June 21, 40 degree North latitude.
Added by Kathleen L.
Step 1
The solar declination angle is the angle between the equatorial plane and the line connecting the center of the sun to the center of the Earth. It varies throughout the year due to the Earth's axial tilt and the sun's position relative to the Earth. On June 21, Show more…
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