Obs. : 2010-10-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.688e+11
Venus      3.869e+11
Earth      3.821e+11
Mars       3.869e+11
Jupiter    3.851e+11
Saturn     3.688e+11
Uranus     3.851e+11
Neptune    3.938e+11
Pluto      3.982e+11