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3.10 The earth is 146.9 million km from the sun, and receives light with an intensity of 1.36 kW/m2. Mars is 227.9 million km from the sun. a. Calculate the intensity of sunlight for a satellite that is in the vicinity of Mars. b. If the satellite has solar cells with an efficiency of 29%, what area is required to generate 1 kW of electrical power?

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