Obs. : 2011-11-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.600e+11
Venus      4.676e+11
Earth      4.352e+11
Mars       4.423e+11
Jupiter    4.153e+11
Saturn     4.349e+11
Uranus     4.270e+11
Neptune    4.560e+11
Pluto      4.749e+11