Obs. : 2008-06-16
Planet     Ly alpha
Mercury    3.770e+11
Venus      3.754e+11
Earth      3.782e+11
Mars       3.828e+11
Jupiter    3.782e+11
Saturn     3.892e+11
Uranus     3.688e+11
Neptune    3.724e+11
Pluto      3.807e+11