Obs. : 2011-01-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.821e+11
Venus      3.713e+11
Earth      3.801e+11
Mars       3.909e+11
Jupiter    3.820e+11
Saturn     3.721e+11
Uranus     3.820e+11
Neptune    3.915e+11
Pluto      3.774e+11