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The Solar System By Mrs. P.H. Page’s Fourth Grade Class Sun • The sun is so big that you could fit more than 1 billion earths inside of it. • The sun is about 4.5 billion years old. • The sun’s magnetic field is very strong. • The sun is about 75% hydrogen and 25% helium. By Jasmine & Najada Mercury • Mercury is the closet to the sun. • Mercury is slightly smaller in diameter than the moon. • One of the largest features on Mercury’s surface is the Caloris Basin. • Mercury has no moons. • It’s a small rocky planet. By Lakwanzaa & Shakirah Venus • On June 8,2004, Venus will be pass directly between the earth and sun. • Venus is usually visible with the naked eye. • Data from the Magellan spacecraft shows that much of Venus’s surface is covered by lava . • Venus has no moons. • It is the fourth smallest planet - almost the same size as Earth. By Shanequa & Shantazia Earth • The Earth atmosphere is 77% nitrogen and 21% oxygen. • The Earth is 4.5 billon years old. • The Earth’s surface is very young. • 71% of the Earth’s surface is covered with water. • Earth is the only planet whose English name is not derived from Greek or Roman mythology. • The Earth only has 1 moon. By Kasey & Courtney Moon • The moon was the first object in space to be reached by man. • There are four phases of the moon. • The moon has no light of its own it reflects the Sun’s light. • The moon has no water,air,or food on it. • The surface of the moon is covered with craters. By Tayana & Vonicia Mars • Mars is the fourth planet from the sun and the seventh largest. • The orbit of Mars is 227,940,000 km (1.52AU) • The mass of Mars 6.4219e23 kg • The first spacecraft to visit Mars was Mariner 4 in 1965. • Mars only has 2 moons. By Marisai & Amber Jupiter • Jupiter is a giant gas planet made up of about 90% hydrogen and 10% helium. • Jupiter was first visited by Pioneer II in 1973. • It is thought that Jupiter’s ‘Great Red Spot’ is a storm of swirling gas that has lasted for hundreds of years. • Jupiter has 16 moons. • Jupiter is the fifth planet from the sun and the largest of all nine planets. By Candace & Jessica Saturn • Saturn was first visited by the Pioneer 2 in 1974. • It is most famous for its beautiful ring. • Saturn has 18 known moons - more than any other planet. • Saturn would float much like an ice cube does in a glass of water. • Saturn’s rings are made up of water and ice. By Jameson & Travis Uranus • • • • • • Orbit- 2870990 km from the sun Diameter- 51118 km Mass- 8683e25 kg Discovered- by William Herschel Spins differently from most planets Moons- 15 By Bryce Neptune • Neptune has a captured moon. • Neptune has three twisted rings. • Neptune rolls like a ball. Neptune has eight moons. • Neptune is half the size of Jupiter. By Krystal & Justin Pluto • In Roman mythology, Pluto is the god of the underworld. • The Hubble image of Pluto shows 12 large areas of light and dark features, but not much else. • Pluto has one moon. It’s called Charlon. • Like Uranus, Pluto seems to be lying on its side. By Alexis & Preston THE END