Obs. : 2008-10-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.460e+11
Venus      3.557e+11
Earth      3.443e+11
Mars       3.511e+11
Jupiter    3.540e+11
Saturn     3.406e+11
Uranus     3.443e+11
Neptune    3.483e+11
Pluto      3.566e+11