Obs. : 2008-04-28
Planet     Ly alpha
Mercury    3.719e+11
Venus      3.735e+11
Earth      3.768e+11
Mars       3.668e+11
Jupiter    3.708e+11
Saturn     3.701e+11
Uranus     3.715e+11
Neptune    3.682e+11
Pluto      3.710e+11