Obs. : 2008-04-23
Planet     Ly alpha
Mercury    3.679e+11
Venus      3.669e+11
Earth      3.861e+11
Mars       3.816e+11
Jupiter    3.633e+11
Saturn     3.886e+11
Uranus     3.648e+11
Neptune    3.604e+11
Pluto      3.684e+11