Obs. : 2010-06-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.825e+11
Venus      3.821e+11
Earth      3.667e+11
Mars       3.898e+11
Jupiter    3.649e+11
Saturn     3.883e+11
Uranus     3.649e+11
Neptune    3.583e+11
Pluto      3.695e+11