By: Soié Derrick Zacharey & Rhea

A year on Mercury is only 88 Earth days. Mercury is the smallest planet in our solar system—only slightly larger than Earth's Moon.

A year on Venus is 225 Earth days.Venus orbits our Sun, a star. Venus is the second closest planet to the sun at a distance of about 67 million miles (108 million km).

A day on Earth is 24 hours. Earth makes a complete orbit around the sun (a year in Earth time) in about 365 days.

A year on Mars is 687 Earth days.Mars is a rocky planet. Its solid surface has been altered by volcanoes, impacts, winds, crustal movement and chemical reactions.

A year on Jupiter is 4,333 Earth days. Jupiter has 79 known moons.

A year on Saturn is 10,759 Earth days

A year on Uranus is 30,687 Earth days. Its type is Ice Giant.

A year on Neptune is 60,190 Earth days. Neptune has six known rings.

A year on Pluto is 90,530 Earth days. A year on Pluto is 248 Earth years. A day on Pluto lasts 153 hours, or about 6 Earth days.