Obs. : 2009-11-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.562e+11
Venus      3.532e+11
Earth      3.576e+11
Mars       3.631e+11
Jupiter    3.528e+11
Saturn     3.581e+11
Uranus     3.485e+11
Neptune    3.528e+11
Pluto      3.570e+11