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“Earth Facts.” Nine Planets, nineplanets.org/earth.html.

Sharp, T. (n.d.). How Big Is Earth? Retrieved March 23, 2018, from https://www.space.com/17638-how-big-is-earth.html

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Earths surface is 71% water.
Earths surface is made up of 8 tectonic plates that shift and move of billions of years.
Earth is an estimated 4.5 billion years old.
Earth is the densest major body in our solar system.
Earths core temperature can be as high as 7500 K, which is hotter than our sun.
Earth is the third planet from the sun and the 5th largest in our solar system.

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The Earth only has 1 moon.

FUN FACT
Earths moon slows down its rotation by 2 milliseconds every century. 900 million years ago there is an estimated 481, 18-hour days in a year!

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149,600,000 km (rounded to 150,000,000 km)
This is also known as 1 AU

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365 1/4 Days.

FUN FACT
Every 4 years there is a leap year with 366 days to accommodate to 1/4 of a day every year.

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24 Hours

FUN FACT
The actual period of rotation is 23 hours and 56 minutes.

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+14 Celsius.
FUN FACT
Without the Greenhouse effect, Earths average temp would be -21 Celsius. Oceans would freeze and life would be impossible!

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Earth's atmosphere is 77% nitrogen, 21% oxygen, with traces of argon, carbon dioxide and water.

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34.6% Iron
29.5% Oxygen
15.2% Silicon
12.7% Magnesium
2.4% Nickel
1.9% Sulfur
0.05% Titanium

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40,075 km

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6,371 km

Earths Diameter
12,742km

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5.972 × 10^24 kg