Obs. : 2009-11-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.586e+11
Venus      3.573e+11
Earth      3.482e+11
Mars       3.476e+11
Jupiter    3.526e+11
Saturn     3.489e+11
Uranus     3.478e+11
Neptune    3.526e+11
Pluto      3.599e+11