Obs. : 2008-11-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.408e+11
Venus      3.588e+11
Earth      3.480e+11
Mars       3.494e+11
Jupiter    3.597e+11
Saturn     3.363e+11
Uranus     3.507e+11
Neptune    3.548e+11
Pluto      3.589e+11