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((6.357*10^(6)*10^4)^2)/(2 * 6.67*10^(-11)*6*10^(24)-6.357*10^6*10^8)=
((6.357*10^(6)*10^4)^2)/(2 * 6.67*10^(-11)*6*10^(24)-6.357*10^6*10^8)=
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