Obs. : 2009-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.542e+11
Venus      3.523e+11
Earth      3.492e+11
Mars       3.487e+11
Jupiter    3.542e+11
Saturn     3.423e+11
Uranus     3.497e+11
Neptune    3.539e+11
Pluto      3.487e+11