Obs. : 2007-12-30
Planet     Ly alpha
Mercury    3.343e+11
Venus      3.199e+11
Earth      3.254e+11
Mars       3.266e+11
Jupiter    3.283e+11
Saturn     3.214e+11
Uranus     3.454e+11
Neptune    3.485e+11
Pluto      3.283e+11