Obs. : 2013-12-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.884e+11
Venus      3.712e+11
Earth      3.961e+11
Mars       4.296e+11
Jupiter    4.022e+11
Saturn     3.994e+11
Uranus     3.957e+11
Neptune    3.894e+11
Pluto      3.802e+11