Obs. : 2008-06-17 Planet Ly alpha Mercury 3.764e+11 Venus 3.761e+11 Earth 3.794e+11 Mars 3.811e+11 Jupiter 3.794e+11 Saturn 3.872e+11 Uranus 3.706e+11 Neptune 3.740e+11 Pluto 3.811e+11