Obs. : 2012-06-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.314e+11
Venus      4.405e+11
Earth      4.560e+11
Mars       4.505e+11
Jupiter    4.433e+11
Saturn     4.586e+11
Uranus     4.591e+11
Neptune    4.473e+11
Pluto      4.560e+11