Obs. : 2012-07-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.220e+11
Venus      4.508e+11
Earth      4.117e+11
Mars       3.828e+11
Jupiter    4.544e+11
Saturn     3.753e+11
Uranus     4.534e+11
Neptune    4.402e+11
Pluto      3.982e+11