Obs. : 2009-03-28
Planet     Ly alpha
Mercury    7.250e+11
Venus      7.250e+11
Earth      7.132e+11
Mars       7.122e+11
Jupiter    6.874e+11
Saturn     7.132e+11
Uranus     7.122e+11
Neptune    6.964e+11
Pluto      6.802e+11