Obs. : 2008-05-07
Planet     Ly alpha
Mercury    3.829e+11
Venus      3.844e+11
Earth      3.670e+11
Mars       3.724e+11
Jupiter    3.556e+11
Saturn     3.714e+11
Uranus     3.665e+11
Neptune    3.565e+11
Pluto      3.610e+11