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en.wikipedia.org/wiki/Earth

Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, ...

www.nasa.gov/audience/forstudents/5-8/features/nasa-knows/what-is-earth-58.html

Earth is our home planet. Scientists believe Earth and its moon formed around the same time as the rest of the solar system. They think that was about 4.5 billion  ...

www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-earth-k4.html

Planet Earth is called the "Goldilocks planet." Find out why it is just right for us!

www.space.com/54-earth-history-composition-and-atmosphere.html

Dec 11, 2014 ... Earth is the only planet known to support life. Learn about Earth science facts and the planet's interior composition, surface and atmosphere.

nineplanets.org/earth.html

Earth is the third planet from the Sun and the fifth largest: Planet Profile. orbit: 149,600,000 km (1.00 AU) from Sun diameter: 12,756.3 km mass: 5.972e24 kg ...

space-facts.com/earth

Earth is the third planet from the Sun and is the largest of the terrestrial planets. The Earth is the only planet in our solar system not to be named after a Greek or ...

www.ask.com/youtube?q=What+Is+The+Earth%3F&v=HGPv6vo5-l0
Oct 3, 2012 ... Science expert Emerald Robinson explains everything about planet Earth and its location in the solar system. To view over 15000 other how-to, ...

www.dictionary.com/browse/earth

Earth definition, (often initial capital letter) the planet third in order from the sun, having an equatorial diameter of 7926 miles (12755 km) and a polar diameter of  ...

oceanservice.noaa.gov/facts/earth-round.html

While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not ...