Obs. : 2010-12-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.943e+11
Venus      3.793e+11
Earth      3.894e+11
Mars       3.918e+11
Jupiter    3.907e+11
Saturn     3.732e+11
Uranus     3.907e+11
Neptune    3.926e+11
Pluto      3.943e+11