Obs. : 2012-08-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.045e+11
Venus      4.000e+11
Earth      4.434e+11
Mars       4.467e+11
Jupiter    4.040e+11
Saturn     4.467e+11
Uranus     4.223e+11
Neptune    4.402e+11
Pluto      4.497e+11