Obs. : 2010-07-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.828e+11
Venus      3.819e+11
Earth      3.830e+11
Mars       3.909e+11
Jupiter    3.741e+11
Saturn     3.919e+11
Uranus     3.741e+11
Neptune    3.762e+11
Pluto      3.910e+11