Obs. : 2011-06-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.051e+11
Venus      4.175e+11
Earth      4.121e+11
Mars       4.224e+11
Jupiter    4.237e+11
Saturn     4.145e+11
Uranus     4.096e+11
Neptune    4.054e+11
Pluto      4.160e+11