Obs. : 2008-04-09
Planet     Ly alpha
Mercury    2.635e+11
Venus      2.592e+11
Earth      2.410e+11
Mars       2.458e+11
Jupiter    2.372e+11
Saturn     2.430e+11
Uranus     2.505e+11
Neptune    2.446e+11
Pluto      2.352e+11