Obs. : 2009-11-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.500e+11
Venus      3.542e+11
Earth      3.658e+11
Mars       3.646e+11
Jupiter    3.520e+11
Saturn     3.509e+11
Uranus     3.520e+11
Neptune    3.520e+11
Pluto      3.528e+11