Obs. : 2009-01-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.597e+11
Venus      3.570e+11
Earth      3.487e+11
Mars       3.532e+11
Jupiter    3.576e+11
Saturn     3.417e+11
Uranus     3.570e+11
Neptune    3.590e+11
Pluto      3.472e+11