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Approximating the figure of Earth by an Earth spheroid, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) (equatorial radius, denoted a) to a minimum of nearly 6,357 km (3,950 mi) (polar radius, denoted b).
Numbers do not add up to exactly 100% due to roundoff and uncertainty. Water is highly variable, typically makes up about 1%. Note that the acceleration values given are for the equator and pole. The standard acceleration of gravity for Earth is defined (CODATA 2018) as 9.80665 m/s 2 (exact).
Jul 6, 2021 · 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).
Objects must orbit Earth within this radius, or they can become unbound by the gravitational perturbation of the Sun. Earth, along with the Solar System, is situated in the Milky Way and orbits about 28,000 light-years from its center.
Earth radius is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) to a minimum of nearly 6,357 km (3,950 mi).
With a radius of 3,959 miles (6,371 kilometers), Earth is the biggest of the terrestrial planets and the fifth largest planet overall.
6 days ago · With an equatorial radius of 6,378 km (3,963 miles), Earth is the largest of the four inner, terrestrial (rocky) planets, but it is considerably smaller than the gas giants of the outer solar system. Earth has a single natural satellite, the Moon , which orbits the planet at a mean distance of about 384,400 km (238,900 miles).
Geoid - Earth Dimensions, Radius, Mass & Density: As previously noted, terrestrial arc measurements are capable of yielding a value of the equatorial radius of Earth, but satellite measurements are greatly superior for determining the flattening.
Earth radius (represented as R 🜨 or ) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid , the radius ranges from a maximum of nearly 6,378 km (3,963 mi) ( equatorial radius , represented a ) to a minimum of nearly 6,357 km (3,950 mi) ( polar radius , represented ...
Oct 22, 2020 · 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 6378 km, but its polar radius is 6357 km - in other words, the Earth is slightly flattened.
