Obs. : 2011-10-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.413e+11
Venus      4.378e+11
Earth      4.421e+11
Mars       4.623e+11
Jupiter    4.421e+11
Saturn     4.461e+11
Uranus     4.422e+11
Neptune    4.438e+11
Pluto      4.447e+11