User contributions for Crown

A user with 30 edits. Account created on 25 November 2012.
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25 March 2016

12 April 2014

21 December 2013

28 October 2013

19 October 2013

9 August 2013

1 June 2013

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19 February 2013

25 November 2012

  • 14:2114:21, 25 November 2012 diff hist +616 N User:Crown/math Created page with " ==Forum topic== <math>U = \sqrt{ \frac { 4 \pi^2 a^3}{G (M_1 + M_2)} }</math> <math>U = \sqrt{ \frac { 4 \pi^2 ({13.3\cdot10^9 m})^3} {6.673\cdot 10^{-11} \frac {m^3}{kg \cd..."