Obs. : 2013-08-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.298e+11
Venus      4.029e+11
Earth      4.035e+11
Mars       4.303e+11
Jupiter    4.269e+11
Saturn     4.019e+11
Uranus     3.962e+11
Neptune    4.018e+11
Pluto      4.052e+11