From the perspective we get on Earth, our planet appears to be big and sturdy with ... It has a diameter of 12,756 kilometers (7,973 miles), only a few hundred kilometers larger than that of Venus.

One of my sources stated that the equatorial diameter is 40 kilometers wider than the polar diameter. The Earth is not a perfect sphere because of a bulge in the equator.

A Multimedia Tour of the Solar System: ... one star, eight planets, and more ... by Bill Arnett

The answer to the geography question - what is the diameter of the earth? ... The diameter of the earth at the equator is 7,926.41 miles (12,756.32 kilometers).

Earth Mean Orbital Elements (J2000) ... Note: Re denotes Earth radii, 6,378 km ... Planetary Fact Table - metric units ; Planetary Fact Table - U.S. units ; Planetary Fact Table - Earth ratio

Today, we measure the earth. The University of Houston's College of Engineering presents this series about the machines that make our civilization run, ... No. 1457: ERATOSTHENES'S DIAMETER OF EARTH

What is the diameter of the Earth? First of all, it is important to understand that Earth is not a perfect sphere. As a result of its rotation, the equatorial diameter is... ... Why would earth come about.

The moon, lunar phases, tides, lunar exploration. ... The moon's diameter is 2,140 miles (3,476 km), 27% of the diameter of the Earth (a bit over a quarter of the Earth's diameter).

Looking Inside Earth; Although the interior of Earth is only a few tens of miles beneath our feet, it is more difficult to reach than the surface of Pluto or even a nearby star!

Impact Structures listed by Diameter; click here for print version; Current total number of confirmed impact structures: 172...