Obs. : 2011-07-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.598e+11
Venus      3.931e+11
Earth      3.924e+11
Mars       4.055e+11
Jupiter    4.095e+11
Saturn     3.848e+11
Uranus     3.997e+11
Neptune    3.951e+11
Pluto      3.895e+11