Obs. : 2008-07-11
Planet     Ly alpha
Mercury    3.705e+11
Venus      3.708e+11
Earth      3.717e+11
Mars       3.879e+11
Jupiter    3.785e+11
Saturn     3.879e+11
Uranus     3.662e+11
Neptune    3.695e+11
Pluto      3.792e+11