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Image from space: The spherical surface of planet Earth. Spherical Earth or Earth's curvature refers to the approximation of the figure of the Earth to a sphere.The concept of a spherical Earth gradually displaced earlier beliefs in a flat Earth during classical antiquity and the Middle Ages.
On a flat Earth, the Sun's shadow would reach the upper atmosphere very quickly, except near the closest edge of Earth, and would always set at the same angle to the ground (which is not what is observed). The length of twilight would be very different on a flat Earth. On a round Earth, the atmosphere above the ground is lit for a while before ...
The claims of modern flat Earth proponents are not based on scientific knowledge and are contrary to over two millennia of scientific consensus based on multiple confirming lines of evidence that Earth is roughly spherical. [3] Flat Earth beliefs are classified by experts in philosophy and physics as a form of science denial. [4]
However, the conspiracy theory claiming the Earth is just a flat disc hanging in space is nothing new. The Economist found that there has been a resurgence of the belief since 2013, as shown in ...
The famous "Flat Earth" Flammarion engraving originates with Flammarion's 1888 L'atmosphère: météorologie populaire (p. 163). The myth of the flat Earth, or the flat-Earth error, is a modern historical misconception that European scholars and educated people during the Middle Ages believed the Earth to be flat. [1] [2]
On small scales space appears flat – as does the surface of the Earth if one looks at a small area. On large scales however, space is bent by the gravitational effect of matter. Since relativity indicates that matter and energy are equivalent , this effect is also produced by the presence of energy (such as light and other electromagnetic ...
The Earth's radius is the distance from Earth's center to its surface, about 6,371 km (3,959 mi). While "radius" normally is a characteristic of perfect spheres, the Earth deviates from spherical by only a third of a percent, sufficiently close to treat it as a sphere in many contexts and justifying the term "the radius of the Earth".
A man who remains convinced that the Earth is flat intends to prove it once and for all, and an effort to that end will involve launching himself 1,800 feet through the sky and taking photos of ...