Solar Declination

Solar Declination
  The apparent angle of the sun north or south of the eath's equatorial plane. The earth's rotation on its axis causes a daily change in the declination.

Energy terms . 2014.

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  • Solar declination —   The apparent angle of the sun north or south of the earth s equatorial plane. The earth s rotation on its axis causes a daily change in the declination.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

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  • declination —   the latitude where, on any particular day, the sun is 90˚ above the horizon at solar noon i.e. when the sun is aligned between true north and true south …   Geography glossary

  • Declination —   The angular position of the sun at solar noon with respect to the plane of the equator …   Energy terms

  • Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …   Wikipedia

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