Obs. : 2011-09-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.148e+11
Venus      4.216e+11
Earth      4.205e+11
Mars       4.170e+11
Jupiter    4.117e+11
Saturn     4.242e+11
Uranus     4.165e+11
Neptune    4.205e+11
Pluto      4.368e+11