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Orbital Parameters of a Cosmic Object: . α - RA, right ascension, if the Greek letter does not appear, á letter will appear. δ - Dec, declination, if the Greek letter does not appear, ä letter will appear.
Proper names may be historical, often transliterated from Arabic or Chinese names. Such transliterations can vary so there may be multiple spellings. A smaller number of names have been introduced since the Middle Ages, and a few in modern times as nicknames have come into popular use, for example Sualocin for α Delphini and Navi for γ ...
SAMPA IPA Description Examples i: i: close front unrounded vowel: English see, Spanish sí, French vie, German wie, Italian visto: I: ɪ: near-close front unrounded vowel: English city, German mit, Canadian French vite
The Latin convention derives from the use of that language as an international scientific language by the first modern astronomers like Copernicus, Kepler, Galileo, Newton and others and was used for a long time. This is why the later discovered bodies were also named accordingly.
Astronomical symbols are abstract pictorial symbols used to represent astronomical objects, theoretical constructs and observational events in European astronomy.
Accented letters: â ç è é ê î ô û, rarely ë ï ; ù only in the word où, à only at the ends of a few words (including à).Never á í ì ó ò ú.; Angle quotation marks: « » (though "curly-Q" quotation marks are also used); dialogue traditionally indicated by means of dashes.
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Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance. There are several schemes in use by which galaxies can be classified according to their morphologies, the most famous being the Hubble sequence , devised by Edwin Hubble and later expanded by Gérard de ...