Obs. : 2011-07-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.070e+11
Venus      4.038e+11
Earth      3.915e+11
Mars       4.010e+11
Jupiter    4.011e+11
Saturn     4.250e+11
Uranus     3.930e+11
Neptune    3.869e+11
Pluto      3.990e+11