Obs. : 2012-08-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.955e+11
Venus      4.238e+11
Earth      4.695e+11
Mars       4.343e+11
Jupiter    4.422e+11
Saturn     4.343e+11
Uranus     4.617e+11
Neptune    4.675e+11
Pluto      4.673e+11