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QUESTION
Calculate the surface area (A1) of a disk having a radius of 50 AU and compare it to the area (A2) of a disk whose radius is only 5 AU.
Calculate the surface area (A1) of a disk having a radius of 50 AU and compare it to the area (A2) of a disk whose radius is only 5 AU. Express the areas in units of square kilometers and state the results in words.
