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Earth radius (denoted as R 🜨 or R E) 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 (an oblate ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of nearly 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly 6,357 km (3,950 mi).
This is a compilation of symbols commonly used in astronomy, particularly professional astronomy. Age (stellar) τ - age ... R E, R 🜨 - Radius compared to Earth;
The symbol for 99942 Apophis, a near-Earth asteroid discovered in 2004 that attracted interest when initial observations suggested a significant probability of an Earth impact in 2029 (a possibility since eliminated), is much later. It was designed by Denis Moskowitz, who also designed many of the dwarf-planet symbols, at a time when asteroid ...
A variety of symbols or iconographic conventions are used to represent Earth, whether in the sense of planet Earth, or the inhabited world, or as a classical element.A circle representing the round world, with the rivers of Garden of Eden separating the four corners of the world, or rotated 45° to suggest the four continents, remains a common pictographic convention to express the notion of ...
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Symbol ⏚ (⏚) is the "Earth Ground" symbol found on electrical or electronic manual, tag and equipment. It also includes most of the uncommon symbols used by the APL programming language. Miscellaneous Technical (2300–23FF) in Unicode
[[Category:Astronomical symbols templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Astronomical symbols templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
The following other wikis use this file: Usage on af.wikipedia.org Aarde; Planeet; Androginie; Usage on af.wiktionary.org 🜨 Usage on ang.wikipedia.org