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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. ..... The diameter of the Earth at the equator is 43 kilometres (27 mi) larger than the pole-to-pole diameter. Thus the point on the surface farthest from  ...

www.universetoday.com/15055/diameter-of-earth

Jun 14, 2008 ... But to complicate matters a little, the diameter of Earth – i.e. how big it is from one end to the other – varies depending on where you are ...

www.space.com/17638-how-big-is-earth.html

Sep 15, 2017 ... Earth is the fifth largest planet in the solar system and the densest. Diameter of Earth, circumference, mass & volume explained.

imagine.gsfc.nasa.gov/features/cosmic/earth_info.html

Aug 24, 2015 ... The diameter of the Earth at the equator is 12,756 kilometers (km). ... Eratosthenes used Aristotle's idea that, if the Earth was round, distant stars ...

hypertextbook.com/facts/1999/RicardoMartinez.shtml

Earth, Space and Time: An Introduction to Earth Science. ... earth. Infoplease.com . "The equatorial diameter is c.7,926 mi (12,760 km) and the polar diameter ...

www.quora.com/What-is-the-diameter-of-Earth

Earth radius is the distance from the Earth's center to its surface, about 6,371 kilometers (3,959 mi). This length is also used as a unit of distance, especially in  ...

www.ask.com/youtube?q=Diameter+of+Earth&v=zyr8Isbxgso
Sep 10, 2017 ... Diameter of the earth usu physics department. 7926 mi (12760 km) and the polar diameter earth's circumference (the distance all the way ...

www.physics.usu.edu/coburn/Measurement%20Projects/Diameter%20of%20the%20Earth.html

You will need to accurately measure the length of the shadow cast by two sticks that are several hundred miles north and south of each other on (or about) the ...

www.ask.com/youtube?q=Diameter+of+Earth&v=pTQ_l6-ts2U
Oct 1, 2017 ... Miles at the equator, and its circumference, or distance around earth is 24901. Diameter of the earth usu physics department. The earth is 21 ...