Obs. : 2013-08-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.455e+11
Venus      3.577e+11
Earth      3.643e+11
Mars       3.513e+11
Jupiter    3.513e+11
Saturn     3.811e+11
Uranus     3.498e+11
Neptune    3.564e+11
Pluto      3.679e+11