Obs. : 2008-05-12
Planet     Ly alpha
Mercury    3.875e+11
Venus      3.816e+11
Earth      3.711e+11
Mars       3.899e+11
Jupiter    3.571e+11
Saturn     3.877e+11
Uranus     3.563e+11
Neptune    3.538e+11
Pluto      3.624e+11