Obs. : 2014-01-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.894e+11
Venus      3.791e+11
Earth      3.943e+11
Mars       4.212e+11
Jupiter    3.950e+11
Saturn     4.349e+11
Uranus     3.731e+11
Neptune    3.664e+11
Pluto      3.984e+11