Obs. : 2013-10-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.725e+11
Venus      3.817e+11
Earth      3.815e+11
Mars       3.834e+11
Jupiter    3.894e+11
Saturn     3.725e+11
Uranus     3.775e+11
Neptune    3.854e+11
Pluto      3.869e+11