Obs. : 2008-08-02 Planet Ly alpha Mercury 3.702e+11 Venus 3.794e+11 Earth 3.687e+11 Mars 3.806e+11 Jupiter 3.720e+11 Saturn 3.794e+11 Uranus 3.631e+11 Neptune 3.687e+11 Pluto 3.739e+11