Obs. : 2011-07-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.694e+11
Venus      3.980e+11
Earth      3.968e+11
Mars       4.055e+11
Jupiter    4.068e+11
Saturn     3.907e+11
Uranus     3.962e+11
Neptune    3.958e+11
Pluto      3.996e+11