Obs. : 2009-04-22 Planet Ly alpha Mercury 3.799e+11 Venus 3.677e+11 Earth 3.697e+11 Mars 3.677e+11 Jupiter 3.590e+11 Saturn 3.755e+11 Uranus 3.677e+11 Neptune 3.590e+11 Pluto 3.615e+11