Obs. : 2013-07-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.172e+11
Venus      4.069e+11
Earth      4.345e+11
Mars       4.243e+11
Jupiter    4.243e+11
Saturn     4.529e+11
Uranus     4.330e+11
Neptune    4.308e+11
Pluto      4.345e+11