This time we are looking on the crossword puzzle clue for: Planet.
it’s A 6 letters crossword definition.
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Random information on the term “Planet”:
A planet symbol (or planetary symbol) is a graphical symbol used in astrology and astronomy to represent a classical planet (including the Sun and the Moon) or one of the eight modern planets. The symbols are also used in alchemy to represent the metals that are associated with the planets. The use of these symbols is based in ancient Greco-Roman astronomy, although their current shapes are a development of the 16th century.
The classical planets with their symbols and associated metals are:
The International Astronomical Union (IAU) discourages the use of these symbols in modern journal articles, and their style manual proposes one- and two-letter abbreviations for the names of the planets for cases where planetary symbols might be used, such as in the headings of tables.The modern planets with their traditional symbols and IAU abbreviations are:
The symbols of Venus and Mars are also used to represent female and male in biology and botany, following a convention introduced by Linnaeus in the 1750s.
Random information on the term “EARTH”:
In astronomy and navigation, the celestial sphere is an abstract sphere that has an arbitrarily large radius and is concentric to Earth. All objects in the sky can be conceived as being projected upon the inner surface of the celestial sphere, which may be centered on Earth or the observer. If centered on the observer, half of the sphere would resemble a hemispherical screen over the observing location.
The celestial sphere is a practical tool for spherical astronomy, allowing astronomers to specify the apparent positions of objects in the sky if their distances are unknown or irrelevant. In the equatorial coordinate system, the celestial equator divides the celestial sphere into two halves: the northern and southern celestial hemispheres.
Because astronomical objects are at such remote distances, casual observation of the sky offers no information on their actual distances. All celestial objects seem equally far away, as if fixed onto the inside of a sphere with a large but unknown radius, which appears to rotate westward overhead; meanwhile, Earth underfoot seems to remain still. For purposes of spherical astronomy, which is concerned only with the directions to celestial objects, it makes no difference if this is actually the case or if it is Earth that is rotating while the celestial sphere is stationary.