Obs. : 2008-07-29 Planet Ly alpha Mercury 3.691e+11 Venus 3.691e+11 Earth 3.657e+11 Mars 3.811e+11 Jupiter 3.737e+11 Saturn 3.811e+11 Uranus 3.605e+11 Neptune 3.631e+11 Pluto 3.754e+11