Obs. : 2008-05-19
Planet     Ly alpha
Mercury    3.962e+11
Venus      3.767e+11
Earth      3.863e+11
Mars       4.004e+11
Jupiter    3.662e+11
Saturn     4.020e+11
Uranus     3.683e+11
Neptune    3.650e+11
Pluto      3.776e+11