What Is the Intensity of Sunlight Per Square Meter Reaching

question 208

Multiple Choice

What is the intensity of sunlight per square meter reaching Venus compared with this intensity at Earth's orbital distance? (For orbital radii,see Appendix,Table C-1,Comins,Discovering the Essential Universe,6th ed.)

• A) about the same, since this intensity remains constant, following a law of nature
• B) about 1.4
• C) about 1.9
• D) about 0.5

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