Obs. : 2008-10-22
Planet     Ly alpha
Mercury    1.813e+12
Venus      1.877e+12
Earth      1.832e+12
Mars       1.853e+12
Jupiter    1.860e+12
Saturn     1.837e+12
Uranus     1.825e+12
Neptune    1.838e+12
Pluto      1.880e+12