What are the definitions and characteristics of solar constant and solar spectrum? 1.1 Solar Constant Since the earth revolves around the sun in an elliptical
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How to determine the longitude and latitude of the earth and solar terms? On the map and the globe, you can see thin lines, horizontal
1.1 The transfer of solar energy The energy generated at the core of the sun diffuses outwards, making the surface temperature of the sun reach
1.1 Source of solar energy The sun contains huge energy. It constantly emits visible light, various rays (Figure 1-1) and a lot of heat. The
What are the physical parameters and structure of the sun? Solar energy is the source of light and heat, and the source of all life