Project:Sandbox


 * The Le Sagian universal law of gravitation:
 * $$ \ddot {\vec r} = - {{GM} \over {r^3}} \vec r e^{-(r/r_G)-S_G \int \rho \, dr} - \left ( {{3 \nu \dot \nu} \over {c^2}} + d_G \right ) \vec \nu$$