Obs. : 2008-05-03 Planet Ly alpha Mercury 3.801e+11 Venus 3.856e+11 Earth 3.658e+11 Mars 3.717e+11 Jupiter 3.684e+11 Saturn 3.704e+11 Uranus 3.821e+11 Neptune 3.720e+11 Pluto 3.682e+11