Obs. : 2011-08-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.965e+11
Venus      3.983e+11
Earth      4.215e+11
Mars       4.046e+11
Jupiter    4.129e+11
Saturn     4.019e+11
Uranus     4.158e+11
Neptune    4.203e+11
Pluto      4.175e+11