Obs. : 2008-04-11
Planet     Ly alpha
Mercury    3.863e+11
Venus      3.744e+11
Earth      3.503e+11
Mars       3.625e+11
Jupiter    3.389e+11
Saturn     3.554e+11
Uranus     3.583e+11
Neptune    3.518e+11
Pluto      3.396e+11