Obs. : 2011-11-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.844e+11
Venus      4.844e+11
Earth      4.516e+11
Mars       4.547e+11
Jupiter    4.598e+11
Saturn     4.601e+11
Uranus     4.812e+11
Neptune    5.059e+11
Pluto      5.184e+11