Obs. : 2008-09-13 Planet Ly alpha Mercury 3.618e+11 Venus 3.618e+11 Earth 3.582e+11 Mars 3.618e+11 Jupiter 3.631e+11 Saturn 3.500e+11 Uranus 3.559e+11 Neptune 3.582e+11 Pluto 3.652e+11