Obs. : 2011-08-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.781e+11
Venus      3.862e+11
Earth      3.965e+11
Mars       3.784e+11
Jupiter    3.771e+11
Saturn     3.988e+11
Uranus     3.786e+11
Neptune    3.854e+11
Pluto      3.967e+11