Earth radius - Wikipedia
Earth radius (denoted as R🜨 or RE) is the distance from the center of Earth to a point on or near its surface.
Earth Fact Sheet - NSSDCA
The standard acceleration of gravity for Earth is defined (CODATA 2018) as 9.80665 m/s 2 (exact).
Earth radius - Simple English Wikipedia, the free encyclopedia
At the Equator, Earth's radius (called the equatorial radius) measures about 6,378 km (3,963 miles). At the North and South Poles, the planet's radius (called the polar radius) is slightly …
What Is the Radius of Earth? - GeeksforGeeks
2024年3月18日 · The radius of the Earth refers to the distance from the center of the Earth to its surface. It is a fundamental parameter used to describe the size of our planet. The Earth is not …
Facts About Earth - NASA Science
Near the surface, Earth has an atmosphere that consists of 78% nitrogen, 21% oxygen, and 1% other gases such as argon, carbon dioxide, and neon. The atmosphere affects Earth's long …
How big is Earth? | Space
2021年7月6日 · According to NASA, Earth's radius at the equator is 3,963 miles (6,378 kilometers), while the radius at the poles is 3,950 miles (6,356 km). Therefore, the diameter of …
In Depth | Earth – NASA Solar System Exploration
With a radius of 3,959 miles (6,371 kilometers), Earth is the biggest of the terrestrial planets and the fifth largest planet overall.
The Earth - Imagine the Universe!
2020年10月22日 · The diameter of a circle is twice the radius, giving us a diameter for Earth of 12,756 km. Note: The Earth is almost, but not quite, a perfect sphere. Its equatorial radius is …
Earth Radius by Latitude (WGS 84) - Online calculators
This online calculator calculates Earth radius at given latitude using WGS 84 reference ellipsoid
Earth Radius - University of South Florida
Earth's radius is a function of latitude. The radius of Earth at the equator is approximately 6378137 m, using the WGS84 ellipsoid. Earth can be thought of as a flattened oblate ellipsoid, …