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12.2 trillion watt-hours converts to 12,211 gigawatt-hours, and based on 8,760 hours per year, and 197 million square miles of earthâs surface (including the oceans), the earth receives about 274 million gigawatt-years of solar energy, which translates to an astonishing 8.2 million âquadsâ of Btu energy per year.
Chapter 2 The global energy balance: The Earth is bathed in solar radiation and absorbs much of that incident ate energy away at the same rate as it is received, as depicted in Fig.2.1. We will see Venus. 108. 2632. 0.77 227 230. Earth. 150. 1367. 0.30 255 250. Mars. 228.