Obs. : 2013-11-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.026e+11
Venus      4.008e+11
Earth      4.256e+11
Mars       4.273e+11
Jupiter    4.372e+11
Saturn     3.989e+11
Uranus     4.105e+11
Neptune    4.078e+11
Pluto      4.008e+11