Obs. : 2009-07-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.480e+11
Venus      3.499e+11
Earth      3.526e+11
Mars       3.467e+11
Jupiter    3.509e+11
Saturn     3.667e+11
Uranus     3.482e+11
Neptune    3.509e+11
Pluto      3.600e+11