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The Planets

NextPageThere are 8 official planets in our solar system.
Facts about Planet Mercury
* Diameter: 4,878km (3,032 miles) at its equator, which is about two-fifths of Earth's diameter.
* Temperature: ?
* Orbit: 57,910,000 km (0.38 AU) from Sun. Orbiting the Sun once every 88 days.
* Average Distance: About 58 million km (36 million miles)

* Time to Rotate: 58.6 days

* Mass: 3.30e23 kg (5.5% of Earth's)

* Moons: 0
* Period of Rotation: 58.6462 days.
Facts about Planet Venus
* Diameter: 12,100 km. It is about 1040km smaller in diameter than Earth
* Temperature: Ranges from 900F+/- 50F (about 500�C +/- 32�C) at the surface
* Distance from Earth: At its closest, Venus is 41,840,000 km away * Atmosphere: Carbon dioxide (95%), nitrogen, sulfuric acid, and traces of other elements
* Surface: A rocky, dusty, waterless expanse of mountains, canyons, and plains, with a 200-mile river of hardened lava
* Rotation of its axis: 243 Earth days (1 Venusian Day)
* Rotation around the Sun: 225 Earth days
* Magnetic Field: No 

Facts about Planet Earth
* Diameter: 12,800 km.
* Atmosphere: Mainly nitrogen 78.084% Nitrogen,  20.946% Oxygen. The other small parts include Argon, Carbon Dioxide, Helium, Hydrogen, Methane.
* Natural Satellites: 1 - the Moon
* Earth Year: 365 days (rotation around the sun)
* Earth Day: 24 hours
* Surface: 71% of Earth's surface is covered in water.
* Temperature Range: -69?C to 58?C.
* Age: more than 4.5 billion years old.
* Average Distance from Sun: 149,597,870 km (93 million miles)
* Average distance from Earth to Moon: 384 000 km (238 607 miles). The Moon orbits Earth in 27.3217 days.
* Tilt: 23.45?/font>
* Orbits the Sun: Speed of 107,870 km per hour (67,027 miles) per hour.
* Name: Comes from old English and German.
Planet Mars Facts:Number of Satellites: 2 (Phobos and Deimos)

Rotation Period: 24 hours and 37 minutes

Temperature: -140 to 20 degrees celsius (-220 to 60 fahrenheit)
Length of Year: About 1 Earth-year and ten and a half months (687 days)
Diameter: 6796 Kms (4223 Miles)
Axial Tilt: 25.19 degrees

Atmosphere: Mainly Carbon Dioxide

Facts about Planet Jupiter
* Diameter: 85,788 miles the largest planet - more than 12 Earths could line up across it
* Temperature: Range -163� C to >-121� C
* Distance from Sun: Approximately 466 million miles
* Atmosphere: Mostly hydrogen and helium
* Surface: A giant ball of mostly hydrogen and helium
* Rotation of its axis: 9 hours, 55 minutes in Earth time (the length of one rotation)
* Rotation around the Sun: 12 Earth years
* Magnetic Field: Yes
* Number of Moons: 63 http://intromediacy.blogspot.com/p/facts-about-planet-saturn-diameter.htmlmoonshttp://intromediacy.blogspot.com/p/facts-about-planet-saturn-diameter.html have been identified Ganymede is the largest moon - it is bigger than both Mercury and Pluto