Obs. : 2013-03-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.526e+11
Venus      4.405e+11
Earth      4.215e+11
Mars       4.257e+11
Jupiter    4.157e+11
Saturn     4.534e+11
Uranus     4.257e+11
Neptune    4.526e+11
Pluto      4.727e+11