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The Wonders Of Astronomy Essay Preview: The Wonders Of Astronomy Report this essay Some Formulas: a) Powers of Ten: 1 = 100 ; 1,000 = 103 ; one million = 1,000,000 = 106 b) Geometry: Circles: Area = pr2 Perimeter = 2pr Spheres: Volume = 4/3pr3 Surface Area = 4pr2 c) Laws of Motion: Time.