Obs. : 2008-07-23
Planet     Ly alpha
Mercury    3.652e+11
Venus      3.657e+11
Earth      3.688e+11
Mars       3.762e+11
Jupiter    3.706e+11
Saturn     3.762e+11
Uranus     3.680e+11
Neptune    3.688e+11
Pluto      3.716e+11