The intensity of sunlight on the upper atmosphere of the earth is approximately
The intensity of sunlight on the upper atmosphere of the earth is approximately 1400m^2 . The distance of the earth from the sun is 150×10^6 km.The distance of mars from the sun is 228×10^6 km. A satellite orbiting the earth has solar cell of area 100m^2 that it uses to power its instruments. If the satellite were orbiting mars, how large would its solar cell area have to be to provide the same power?
A)152m^2, B) 231 m^2 ,C)66 m^2, D)304m^2, E)442 m^2