Ricky+Earth

[[image:http://www.sciencemonster.com/images/planet_earth_large2.jpg width="278" height="277"]] EARTH
** average distance from the Sun: about 149,600,000 km ** = 10 facts about earth = > > > ** The Earth is made of three parts: **
 * diameter: 7909 miles = 12756 km **
 * mass: about 5,980,000,000,000,000,000,000,000 kg **
 * temperature: -90 C to 60 C or -130 F to 140 F **
 * number of moons: 1 **
 * any rings? no **
 * length of a year: 1 year = 365.25 days **
 * length of a day: 24 hours **
 * ==** The earth is the third planet from the sun. **==
 * == It take light 8 minutes and 20 seconds to reach earth. ==
 * ==Earth is almost 5 billion years old but there has only been life for 150 million years to 200 million years.==
 * ==**Earth is the only known planet to not be named after a mythical god.**==
 * == Earth is only 29% land and the rest is water. ==
 * ** It is the 5th largest planet in our solar system **
 * ** Makes one complete orbit around the Sun every 365.27 days. **
 * ** Has a total of 1 satellite (the Moon). **
 * **More than 80% of the Earth’s surface is volcanic**
 * **Is the planet that we live on, our planet.**
 * The crust:**
 * The crust is made of a thin layer of rock.**
 * **The mantle:**
 * **The mantle is made of rock more dense then the crust.**
 * **The core:**
 * **A dense ball of metel (Nickel and iron). The outer of the core is liquid. The inner of the core is solid metal, (which makes the Earth a big magnet).**

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