Matching Pairs SpaceOnline version How long does it take .... to go around the Sun? by GAINZURI ENGLISH 1 Neptune 2 Uranus 3 Mars 4 Saturn 5 Earth 6 Venus 7 Jupiter 8 Mercury 11.9 years 84 years 687 days 164 years 88 days 225 days 364.25 days 29.5 years