The Solar System By Braylon Slater About 4.6 billion years ago our solar system was formed. The order of the planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and the dwarf planet Pluto. Between the orbits of Mars and Jupiter there is an asteroid belt that separates the inner planets from the outer planets.

The Sun The Sun is the star at the center of our solar system. 98 percent of the matter in our solar system is made from the Sun. Eight planets orbit around the Sun in space.

Mercury The closest planet to the Sun is Mercury. When Mercury rotates on its axis it can’t retain any heat or protect itself from the Sun because it doesn’t have an atmosphere. Mercury’s temperature can rise to 750 degrees Fahrenheit.

Venus The hottest planet is Venus even though Mercury is closer. Venus’s temperature on its surface can be 860 degrees Fahrenheit. Venus’s atmosphere is composed of carbon dioxide.

Earth Earth has liquid water on its surface which is different from all other planets. All inner planets don’t have moons except for the Earth. Earth gives us seasons because it is slightly tilted on its axis.

Mars Mars is also called the Red Planet. Mars is the fourth planet from the Sun. Mars is very cold since Mars doesn’t have a protective layer of atmosphere to store heat from the Sun.

Asteroid Belt In 1801 the asteroid belt was first discovered. Within the asteroid belt there are thousands upon thousands of rock and debris. Within the asteroid belt many scientists believed that the debris was made from a planet that never formed.

Jupiter In order from the Sun, Jupiter is the fifth planet from it. 88,700 miles is Jupiter’s diameter. The largest planet in our solar system is Jupiter.

Saturn What may be composed of ice, Saturn has many rings. In just over 10 hours Saturn makes a full rotation. Saturn takes 29 and one half days to orbit around the Sun.

Uranus Lying on its side Uranus orbits the Sun. In 84 Earth years Uranus makes one orbit or revolution around the Sun. Of the four giants Uranus is the smallest planet.

Neptune In 165 Earth years Neptune orbits the Sun. Neptune is composed of only gas because it is a gas giant. The third largest planet is Neptune after Jupiter and Saturn.

The Dwarf Planet Pluto Pluto was closer to the Sun than the planet Neptune between 1979 and 1999. In 6 and one half days Pluto makes a full turn on its axis. It takes Pluto 248 and one half years to orbit the Sun.

Earth’s Moon Earth’s only natural satellite is the Moon. Earth’s Moon is the fifth largest Moon in the solar system. When the Earth is between the Sun and the Moon the lunar eclipse occurs.

Stars A massive, bright, sphere of very hot gas is a star. The Sun is the nearest star to the Earth. Red dwarfs are the most common stars.

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Resources http://www.planetsforkids.org/ www.google.com/images http://www.sciencekids.co.nz/scie ncefacts/space/solarsystem.html