Obs. : 2008-09-07 Planet Ly alpha Mercury 3.469e+11 Venus 3.469e+11 Earth 3.478e+11 Mars 3.469e+11 Jupiter 3.503e+11 Saturn 3.403e+11 Uranus 3.460e+11 Neptune 3.478e+11 Pluto 3.511e+11