Obs. : 2008-06-05 Planet Ly alpha Mercury 3.894e+11 Venus 3.860e+11 Earth 3.686e+11 Mars 3.867e+11 Jupiter 3.667e+11 Saturn 3.865e+11 Uranus 3.623e+11 Neptune 3.621e+11 Pluto 3.731e+11