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Earth is the third planet from the Sun, the densest planet in the Solar System, the largest of the ..... This bulge results from the rotation of Earth, and causes the diameter at the equator to be 4...

Diameter of Earth - Universe Today


Since the Earth is not a perfect sphere, there are three numbers to know when answering questions about the diameter of Earth. The rotation of the planet has ...

360 Mile Diameter Spherical Core Found At Center Of Earth - Rense


LOS ANGELES -- An odd, previously unknown sphere, some 360 miles in diameter, has been found at the bottom of the Earth. It was detected by a Harvard  ...

How Big is Earth? - Space.com


Sep 17, 2012 ... Earth is the fifth largest planet in the solar system and the densest. Diameter of Earth, circumference, mass & volume explained.

Diameter of Earth - Hypertextbook


Earth, Space and Time: An Introduction to Earth Science. New York: Wiley, 1979. "12,752 km", 12,752 km. earth. Infoplease.com. "The equatorial diameter is ...

Fermi's Earth Circumference - LDEO


Yes, it is about 24000 miles around the world. So how do I get the diameter of the Earth. 1. the formula for a circle is 2 pi r, right? where r is the radius and pi is ...

How large is Earth? | Cool Cosmos


Earth's circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). Its diameter (the distance from one side to the other ...

How large is Jupiter compared to Earth? | Cool Cosmos


Jupiter has a diameter of about 88,695 miles (142,800 kilometers) which is more than 11 times the diameter of Earth. It's volume is over 1,300 times the volume ...

What is the diameter of Earth? - Quora


The diameter of the earth is 12756 Km from the equator. An excerpt from Cosmic Distance Scales - Earth > In 200 B.C., the size of the Earth was actually calc...

No. 1457: Eratosthene's Diameter of Earth - University of Houston


Eratosthenes's 2200 year old calculation of Earth's size.

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Earth - The Cosmic Distance Scale - NASA


The crew of Apollo 17 took this photograph of Earth in December 1972 while their ... The diameter of the Earth at the equator is 12,756 kilometers (km).

What is the diameter of the earth? - Geography - About.com


But, if you measure the earth through the poles the diameter is a bit shorter - 7,901 miles (12,715.43 km). Thus the earth is a tad wider (25 miles / 41 km) than it is ...

Eratosthenes Finds Diameter of Earth! - Astronomy Outreach at UT ...


Eratosthenes Finds Diameter of Earth! Alexandria Eratosthenes peered into a well here at noon and came up with the diameter and circumference of our planet !