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Earth

en.wikipedia.org/wiki/Earth

Earth is the third planet from the Sun, the densest planet in the Solar System, the largest of the Solar System's four terrestrial planets, and the only astronomical ...

What Is Earth? | NASA

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  ...

Earth - Educational facts and history of the planet Earth.

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 ...

Earth Facts - Interesting Facts about Planet Earth - Space Facts

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?&v=nt6ab7BTlgE
Aug 28, 2014 ... SOURCES and LINKS TO LEARN MORE ARE BELOW! my twitter: http://www. twitter.com/tweetsauce my instagram: ...

Earth Introduction - Views of the Solar System

solarviews.com/eng/earth.htm

From the perspective we get on Earth, our planet appears to be big and sturdy with an endless ocean of air. From space, astronauts often get the impression that ...

Planet Earth - Universe Today

www.universetoday.com/14367/planet-earth/

May 26, 2016 ... In addition to being the birthplace of humanity and the cradle of human civilization, Earth is the only known planet in our Solar System that is ...

Earth: Interior and Surface, Atmosphere, Ocean, Magnetosphere ...

www.windows2universe.org/earth/earth.html

Earth, our home planet, is a beautiful blue and white ball when seen from space. The third planet from the Sun, it is the largest of the inner planets. Earth is the ...

What is the Earth's axis? | Reference.com

www.reference.com/science/earth-s-axis-99326407762d08b1

The Earth's axis is positioned at an angle of 23.5 degrees away from the plane of the ecliptic. An objects axis, or axial tilt, also referred to as obliquity, is the angle ...

What is the Earth composed of? | Reference.com

www.reference.com/science/earth-composed-737f6709707aba0d

The Earth is comprised of many diverse elements, including metals and minerals, sedimentary and molten rocks and water. The Earth is made of two distinct ...

Answer
the world
Globally, the 20th century was marked by: (a) two devastating world wars; (b) the Great Depression of the 1930s; (c) the end of vast colonial empires.
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Planet Earth: Facts About Its Orbit, Atmosphere & Size - Space.com

www.space.com

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.

Planet Earth, Planet Earth Information, Facts, News, Photos - Science

science.nationalgeographic.com

Get information, facts, photos, news, videos, and more about planet Earth and its role in the solar system from National Geographic.

What is Earth made of? | Cool Cosmos

coolcosmos.ipac.caltech.edu

The Earth is made out of many things. Deep inside Earth, near its center, lies Earth's core which is mostly made up of nickel and iron. Above the core is Earth's  ...