Obs. : 2013-10-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.039e+11
Venus      4.124e+11
Earth      3.962e+11
Mars       3.931e+11
Jupiter    4.063e+11
Saturn     4.039e+11
Uranus     3.978e+11
Neptune    4.028e+11
Pluto      4.131e+11