Obs. : 2010-08-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.715e+11
Venus      3.757e+11
Earth      3.869e+11
Mars       3.757e+11
Jupiter    3.745e+11
Saturn     3.757e+11
Uranus     3.745e+11
Neptune    3.816e+11
Pluto      3.818e+11