Obs. : 2015-10-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.179e+11
Venus      4.413e+11
Earth      4.804e+11
Mars       4.271e+11
Jupiter    4.271e+11
Saturn     4.030e+11
Uranus     4.588e+11
Neptune    4.414e+11
Pluto      4.223e+11