Obs. : 2011-10-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.966e+11
Venus      4.966e+11
Earth      4.370e+11
Mars       4.413e+11
Jupiter    4.297e+11
Saturn     4.450e+11
Uranus     4.439e+11
Neptune    4.679e+11
Pluto      5.079e+11