Obs. : 2010-09-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.542e+11
Venus      3.832e+11
Earth      3.784e+11
Mars       3.775e+11
Jupiter    3.717e+11
Saturn     3.715e+11
Uranus     3.717e+11
Neptune    3.784e+11
Pluto      3.867e+11