the solar constant

  • 1solar constant — the average rate at which radiant energy is received from the sun by the earth, equal to 1.94 small calories per minute per square centimeter of area perpendicular to the sun s rays, measured at a point outside the earth s atmosphere when the… …

    Universalium

  • 2solar constant — The solar constant (as defined for the planet Earth) is the power collected at the top of the atmosphere by a unit area perpendicular to the light path. In practice, the unit area is 1 m squared (m2). Its value is about 1.98 calories per minute… …

    Aviation dictionary

  • 3The Solar Car Challenge — Solar Car Challenge Established 1993 Location United States Website www.solarcarchallenge/challenge [1] The Solar Car Challenge is an annual solar powered car race for high school students.The eve …

    Wikipedia

  • 4Solar constant — Constant Con stant, n. 1. That which is not subject to change; that which is invariable. [1913 Webster] 2. (Math.) A quantity that does not change its value; used in countradistinction to {variable}. [1913 Webster] 3. (Astron.) A number whose… …

    The Collaborative International Dictionary of English

  • 5solar constant — n. the average amount of solar radiation received normally by a unit area just outside the earth s atmosphere, equal to c. 1.37 x 106 ergs per cm2 per second …

    English World dictionary

  • 6solar constant —   The strength of sunlight; 1353 watts per square meter in space and about 1000 watts per square meter at sea level at the equator at solar noon.   Solar Electric Glossary …

    Energy terms

  • 7Solar Constant —   The average amount of solar radiation that reaches the earth s upper atmosphere on a surface perpendicular to the sun s rays; equal to 1353 Watts per square meter or 492 Btu per square foot …

    Energy terms

  • 8Solar constant —   The average amount of solar radiation that reaches the earth s upper atmosphere on a surface perpendicular to the sun s rays; equal to 1353 Watts per square meter or 492 Btu per square foot.   U.S. Dept. of Energy, Energy Information… …

    Energy terms

  • 9solar constant —   the amount of energy received per unit area from the sun over a given period of time …

    Geography glossary

  • 10solar constant — noun Date: 1869 the quantity of radiant solar energy received at the outer layer of the earth s atmosphere that has a mean value of 1370 watts per square meter …

    New Collegiate Dictionary