Obs. : 2009-09-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.455e+11
Venus      3.401e+11
Earth      3.495e+11
Mars       3.444e+11
Jupiter    3.495e+11
Saturn     3.375e+11
Uranus     3.461e+11
Neptune    3.495e+11
Pluto      3.547e+11