Obs. : 2008-04-07
Planet     Ly alpha
Mercury    2.144e+11
Venus      2.124e+11
Earth      1.937e+11
Mars       1.972e+11
Jupiter    1.982e+11
Saturn     1.949e+11
Uranus     2.124e+11
Neptune    2.069e+11
Pluto      1.960e+11