Obs. : 2011-07-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.040e+11
Venus      4.135e+11
Earth      4.049e+11
Mars       4.150e+11
Jupiter    4.116e+11
Saturn     4.000e+11
Uranus     3.991e+11
Neptune    4.007e+11
Pluto      4.062e+11