Obs. : 2008-10-09
Planet     Ly alpha
Mercury    7.932e+11
Venus      8.457e+11
Earth      8.266e+11
Mars       8.319e+11
Jupiter    8.531e+11
Saturn     7.949e+11
Uranus     8.266e+11
Neptune    8.357e+11
Pluto      8.563e+11