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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 Old Bedford River, photographed from the bridge at Welney, Norfolk (2008); the camera is looking downstream, south-west of the bridge. The Bedford Level experiment was a series of observations carried out along a 6-mile (10 km) length of the Old Bedford River on the Bedford Level of the Cambridgeshire Fens in the United Kingdom during the 19th and early 20th centuries to deny the curvature ...
James Buckley, who played compulsive liar Jay Cartwright in the E4 series, had had his doubts on the shape of the Earth, and decided to investigate Flat Earth theories.
Oxbow lake – U-shaped lake or pool left by an ancient river meander; Panhole – Depression or basin eroded into flat or gently sloping cohesive rock; Pothole – Natural bowl-shaped hollow carved into a streambed; Plunge pool – Depression at the base of a waterfall; Pond – Relatively small body of standing water
In early Greek cosmology, the Earth was conceived of as being flat, encircled by a cosmic ocean known as Oceanus, and that heaven was a solid firmament held above the Earth by pillars. [165] Many believe that a Hurro-Hittite work from the 13th century BC, the Song of Emergence (CTH 344), was directly used by Hesiod on the basis of extensive ...
as the shape of the geoid, the mean sea level of the world ocean; or; as the shape of Earth's land surface as it rises above and falls below the sea. As the science of geodesy measured Earth more accurately, the shape of the geoid was first found not to be a perfect sphere but to approximate an oblate spheroid, a specific type of ellipsoid.
The 17th-century Ge zhi cao treatise also used the same terminology to describe the shape of Earth that the Eastern-Han scholar Zhang Heng (78–139 AD) had used to describe the shape of the Sun and Moon (as in, that the former was as round as a crossbow bullet, and the latter was the shape of a ball).
A perceptive Google Earth user discovered an abnormally shaped object near the coast of Antarctica, setting off a flood of comments from YouTube users.