sun (solar constant, tsi) cosmic material (h +, dust) celestial mechanics ( extra-atmospheric...
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DESCRIPTION
Main features of the present earth’s climate 1)Mean surface air temperature ≈ 15°C 2)Mean precipitation ≈ 1 m w.e. 3)Equator to Pole temperature gradient ≈ 50°C 4)Climate changes. (It has always been changing.)