Obs. : 2008-07-10
Planet     Ly alpha
Mercury    3.696e+11
Venus      3.735e+11
Earth      3.711e+11
Mars       3.919e+11
Jupiter    3.801e+11
Saturn     3.919e+11
Uranus     3.650e+11
Neptune    3.689e+11
Pluto      3.810e+11