Obs. : 2013-12-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.098e+11
Venus      4.087e+11
Earth      4.330e+11
Mars       3.956e+11
Jupiter    4.251e+11
Saturn     4.029e+11
Uranus     4.270e+11
Neptune    4.088e+11
Pluto      4.120e+11