Our Solar System Our solar system is made up of 8 planets and many dwarf planets. . Our solar system is in the Milky Way Galaxy.

The Sun The sun is about 10,000 degrees Fahrenheit. The sun is 4.6 billion years old.

Mercury Mercury has no moons. Mercury has an orbit period of 88 days.

Venus Venus is 471 degrees c. A year on Venus takes 225 Earth days.

Earth The Earth has 1 moon. Earth’s polar diameter is 12,714 km.

Mars Mars has 2 moons named Phobos and Deimos. Mars has an orbit period of 687 days.

Asteroid Belt Some asteroids in the belt are quite large, but most range in size down to pebbles. The Asteroid Belt contains billions and billions of asteroids.

Jupiter Jupiter has 4 rings. Jupiter’s surface temperature is - 108 degrees Celcius.

Saturn Saturn is made mostly of hydrogen. Saturn has 150 moons and smaller moonlets.

Uranus Uranus has 13 rings. Uranus was discovered by William Harschel.

Neptune Neptune has 5 rings. Neptune has 14 moons.

Dwarf Planet Pluto Pluto has 5 moons. Pluto’s surface temperature is -229 degrees Celcius.

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