There are 8 planets in our solar system. Mercury is the closest planet to the sun, followed by Venus. Jupiter is the largest planet, and Saturn and Uranus both have rings. The order of planets from the sun is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. Earth is a planet covered mostly by water and land. It rotates daily and revolves around the sun yearly. The sun is approximately 93 million miles from Earth and provides light and heat energy. Earth is closer to the sun in January. The sun is a large yellow star located in the Milky Way galaxy.