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