Obs. : 2008-11-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.395e+11
Venus      3.564e+11
Earth      3.477e+11
Mars       3.485e+11
Jupiter    3.561e+11
Saturn     3.360e+11
Uranus     3.480e+11
Neptune    3.520e+11
Pluto      3.564e+11