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4

...despite having more than a quarter the 2-dimensional size of Earth. I think herein lies the problem; diameter is a 1-dimensional measurement, it's units are distance. Let's rewrite 27.3% as 0.273. If that's the ratio of diameters, then the ratio of 2-dimensional areas should be (0.273)2 and the ratio of the volumes should be (0.273)3. Those numbers are 0....


3

It is all just geometry and mathematics. The volume of a sphere is calculated according to this formula: Volume = $(4/3) \times \pi \times r^3$ where $\pi$ = ‎3.14159..., and $r$ is the radius of the sphere. The Earth radius is 6,371 km. The Moon radius is 1,737 km. We put the numbers into the formula and we get: • The volume of Earth is 1,083,206,916,845....


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