Obs. : 2008-01-04 Planet Ly alpha Mercury 8.371e+11 Venus 8.234e+11 Earth 8.760e+11 Mars 8.831e+11 Jupiter 8.318e+11 Saturn 8.548e+11 Uranus 8.613e+11 Neptune 8.441e+11 Pluto 8.303e+11