Obs. : 2008-06-04
Planet     Ly alpha
Mercury    3.855e+11
Venus      3.814e+11
Earth      3.678e+11
Mars       3.875e+11
Jupiter    3.657e+11
Saturn     3.869e+11
Uranus     3.657e+11
Neptune    3.623e+11
Pluto      3.726e+11