Obs. : 2008-09-09
Planet     Ly alpha
Mercury    5.292e+11
Venus      5.292e+11
Earth      5.272e+11
Mars       5.292e+11
Jupiter    5.339e+11
Saturn     5.131e+11
Uranus     5.227e+11
Neptune    5.272e+11
Pluto      5.374e+11