Obs. : 2011-09-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.324e+11
Venus      4.337e+11
Earth      4.565e+11
Mars       4.389e+11
Jupiter    4.428e+11
Saturn     4.325e+11
Uranus     4.485e+11
Neptune    4.565e+11
Pluto      4.607e+11