Description : Altitude angle, Zenith Angle, Day length, Solar Azimuth angle, Local solar time, Surface azimuth angle, Slope, Declination angle
Last Answer : 1) Altitude angle (α ): It is defined as the angle between the central ray from the sun , and a horizontal plane containing the observer is the Solar altitude angle. At the Sunrise and Sunset the ... sun to the centre of the earth and the projection of this line upon the earth's equatorial plane.