Obs. : 2012-03-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.605e+11
Venus      4.860e+11
Earth      4.345e+11
Mars       4.271e+11
Jupiter    4.860e+11
Saturn     3.446e+11
Uranus     4.330e+11
Neptune    3.533e+11
Pluto      3.398e+11