Mercury Information about Mercury Mercury has no moons.one day on mercury is about as long a 2 years on earth.Orbits the sun once every 88 earth days. Mercury is the fastest planet to orbit the sun and is the closest planet to the sun.
Venus Information on VenusVenus has no moons.The day length of Venus is 243 earth days. A year on Venus takes 225 earth days.Venus was named after the roman goddess of love.
Earth Information on earthearth has 1 moon orbiting the planet.The day length is 24 hours.The year length is 365 days. Earth is mostly iron, oxygen and silicon
Mars information on MarsMars has 2 moons.Day length is 1 earth day and 30 mins. Year length is 680 earth days. The month of march comes from mars.
Jupiter Information on JupiterJupiter has 16 moons. Day length for Jupiter is 9 hours and 55 mins from earth day. Year length for Jupiter is 12 earth years. Jupiter has the fastest spinning planet in the solar system.
Saturn Information on SaturnSaturn has 62 moons. 10.2 hours day length.30 earth years length. Saturn has only been visited 4 times by space craft.
Uranus Information on UranusUranus has 5 moons. 18 hours of earth day for the length of day for Uranus.Year length is 84 earth years. An interesting fact is One of Uranus' moons, Umbriel, has a bright ring on it called the Florescent Cheerio
Neptune Information on NeptuneNeptune has 13 moons.The day length of Neptune is 19 hours in earth day. The year length of Neptune is 165 earth years. Several dark spots have been seen on Neptune. The largest is about the size of Earth. It is called The Great Dark Spot.