Obs. : 2010-03-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.947e+11
Venus      3.903e+11
Earth      3.758e+11
Mars       3.783e+11
Jupiter    3.889e+11
Saturn     3.728e+11
Uranus     3.939e+11
Neptune    3.788e+11
Pluto      3.715e+11