Obs. : 2008-07-19 Planet Ly alpha Mercury 3.680e+11 Venus 3.675e+11 Earth 3.748e+11 Mars 3.748e+11 Jupiter 3.811e+11 Saturn 3.748e+11 Uranus 3.715e+11 Neptune 3.748e+11 Pluto 3.802e+11