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Therefore, Carina has the α, β, and ε, Vela has γ and δ, Puppis has ζ, and so on. [3] In 1844, John Herschel proposed complete dividing Argo Navis in accordance with Lacaille's divisions. [4] However, the constellation continued to be used into the 20th century, and officially received a three-letter designation alongside its divisions in ...
Each IAU constellation has an official three-letter abbreviation based on the genitive form of the constellation name. As the genitive is similar to the base name, the majority of the abbreviations are just the first three letters of the constellation name: Ori for Orion/Orionis, Ara for Ara/Arae, and Com for Coma Berenices/Comae Berenices.
The three-letter abbreviation for the constellation, as adopted by the International Astronomical Union in 1922, is "Aps". [9] The official constellation boundaries, as set by Belgian astronomer Eugène Delporte in 1930, [ b ] are defined by a polygon of six segments ( illustrated in infobox ).
In this list, a star is identified by a lower-case letter of the Greek alphabet, followed by the Latin name of its parent constellation. The Bayer designation uses the possessive form of a constellation's name, which in almost every case ends in is , i or ae ; um if the constellation's name is plural (see genitive case for constellations ) .
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 ...
In Vedic period astronomy, which drew its zodiac signs and many constellations from the period of the Indo-Greek Kingdom, Indian observers saw the asterism as a boat. [ 17 ] The Māori had several names for the constellation, including Te Waka-o-Tamarereti (the canoe of Tamarereti), [ 18 ] Te Kohi-a-Autahi (an expression meaning "cold of autumn ...
Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI; The name of a chemical element may be used to signify its symbol; e.g., W for tungsten; The days of the week; e.g., TH for Thursday; Country codes; e.g., "Switzerland" can indicate the letters CH; ICAO spelling alphabet: where Mike signifies M and ...
The adjectival forms of the names of astronomical bodies are not always easily predictable. Attested adjectival forms of the larger bodies are listed below, along with the two small Martian moons; in some cases they are accompanied by their demonymic equivalents, which denote hypothetical inhabitants of these bodies.