Obs. : 2013-09-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.938e+11
Venus      3.969e+11
Earth      3.827e+11
Mars       3.714e+11
Jupiter    3.751e+11
Saturn     3.956e+11
Uranus     3.790e+11
Neptune    3.791e+11
Pluto      3.814e+11