Obs. : 2008-04-22
Planet     Ly alpha
Mercury    3.641e+11
Venus      3.619e+11
Earth      3.829e+11
Mars       3.814e+11
Jupiter    3.569e+11
Saturn     3.875e+11
Uranus     3.584e+11
Neptune    3.537e+11
Pluto      3.592e+11