Solar System. Artwork of Earth's solar system,showing the planets and other objects that orbit the Sun (upper right). The separations of the orbits are not shown to scale. Most of the mass of the solar system is found in the Sun. The planets,from inner to outer,are: Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus and Neptune. Also shown here (beyond Neptune) is Pluto,a former planet now considered a large dwarf planet in the Kuiper Belt. The asteroid belt is shown between Mars and Jupiter. At upper left is a meteor shower,shown as it would appear from the Earth's surface as the meteors impact the atmosphere |