How large is the planet Saturn?
Saturn is the second biggest planet, but it’s also the lightest planet. If there was a bathtub big enough to hold Saturn, it would float in the water! Saturn Fast Facts Distance from Sun Approximately 856 million miles Number of Moons More than 30 (we’re discovering more all the time — 18 have been named Titan is the largest moon of Saturn and the second largest moon in the entire solar system. Diameter Approximately 75,000 miles (120,000 km) the second largest planet — more than 9 Earths could line up across it! Composition 97% Hydrogen gas, about 3% helium gas and about 0.05% methane, plus ammonia. You could not stand on the surface because it’s gaseous. Length of Day 10 hours, 39 minutes in Earth time (the length of one rotation) flattened at the poles because of its very rapid rotation Length of a Year 29.5 Earth years (the length of one orbit around the sun) Name named for the Roman god of agriculture. The day Saturday is also named after him. Discovered by: Saturn has been obse