Obs. : 2008-06-30
Planet     Ly alpha
Mercury    3.752e+11
Venus      3.795e+11
Earth      3.687e+11
Mars       3.818e+11
Jupiter    3.720e+11
Saturn     3.818e+11
Uranus     3.657e+11
Neptune    3.662e+11
Pluto      3.765e+11