Obs. : 2011-08-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.264e+11
Venus      4.237e+11
Earth      4.289e+11
Mars       4.305e+11
Jupiter    4.298e+11
Saturn     4.187e+11
Uranus     4.271e+11
Neptune    4.277e+11
Pluto      4.285e+11