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The number used to identify stars in navigation publications and star charts. [Note 2] Common name The name of the star commonly used navigation publications and star charts. Bayer designation: Another name of the star which combines a Greek letter with the possessive form of its constellation's Latin name. Etymology of common name
A diagram of a typical nautical sextant, a tool used in celestial navigation to measure the angle between two objects viewed by means of its optical sight. Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the ...
Compass rose with the eight principal winds. A compass rose, sometimes called a wind rose, rose of the winds or compass star, is a figure on a compass, map, nautical chart, or monument used to display the orientation of the cardinal directions ( north, east, south, and west) and their intermediate points. It is also the term for the graduated ...
Five-pointed star, a pentagram with internal line segments removed. Lute of Pythagoras, a pentagram-based fractal pattern. Hexagram, a six-pointed star polygon. Heptagram, a seven-pointed star polygon. Octagram, an eight-pointed star polygon. Enneagram, a nine-pointed star polygon. Decagram, a ten-pointed star polygon.
This glossary of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy is concerned with the study of celestial objects and phenomena that originate outside the atmosphere of Earth. The field of astronomy features an extensive vocabulary and a ...
A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. [1] The first constellations likely go back to prehistory. People used them to relate stories of their beliefs, experiences, creation, mythology.
Many star names are, in origin, descriptive of the part in the constellation they are found in; thus Phecda, a corruption of Arabic فخذ الدب ( fakhdh ad-dubb, 'thigh of the bear'). Only a handful of the brightest stars have individual proper names not depending on their asterism; so Sirius ('the scorcher'), Antares ('rival of Ares ', i.e ...
a fish with a star. This is the original symbol from the brief period when this asteroid was known and astronomers were still using iconic symbols. [60] [88] U+1F77A (dec 128890) a lyre. This symbol only appears in later 19th-century reference works that appeared when iconic symbols for asteroids had already become obsolete. [45] 12 ...