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Gamma Virginis
Gamma Virginis (γ Virginis, abbreviated Gamma Vir, γ Vir), officially named Porrima , is a binary star system in the constellation of Virgo. It consists of two almost identical main sequence stars at a distance of about 38 light-years. Name ''γ Virginis'' ( Latinised to ''Gamma Virginis'') is the star's Bayer designation. The traditional name ''Porrima'' derives from Ancient Rome: Porrima, also known as Antevorta, was one of the Camenae or goddesses of prophecy. In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) to catalog and standardize proper names for stars. The WGSN's first bulletin of July 2016 included a table of the first two batches of names approved by the WGSN; which included ''Porrima'' for this star. In the catalogue of stars in the ''Calendarium of Al Achsasi Al Mouakket'', this star was designated ''Laouiyet al Aoua'', which was translated into Latin as ''Angulus Latratoris'', meaning 'the angle of the barke ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Virgo (constellation)
Virgo is one of the constellations of the zodiac. The name is for maiden in Latin and its traditional astrological symbol is . Between Leo (constellation), Leo to the west and Libra (constellation), Libra to the east, lying in the south, it is the second-largest constellation in the sky (after Hydra (constellation), Hydra) and the largest constellation in the zodiac. The ecliptic intersects the celestial equator within this constellation and Pisces (constellation), Pisces. Underlying these technical two definitions, the sun passes directly overhead of the equator, within this constellation, at the September equinox. Virgo can be easily found through its brightest star, Spica, (in Latin "grain headed"). Location Virgo is prominent in the spring sky in the Northern Hemisphere, visible all night in March and April. As the largest zodiac constellation, the Sun takes 44 days to pass through it, longer than any other. From 1990 and until 2062, this will take place from September 16 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bayer Designation
A Bayer designation is a stellar designation in which a specific star is identified by a Greek alphabet, Greek or Latin letter followed by the genitive case, genitive form of its parent constellation's Latin name. The original list of Bayer designations contained 1564 stars. The brighter stars were assigned their first systematic names by the German astronomer Johann Bayer in 1603, in his star atlas ''Uranometria''. Bayer catalogued only a few stars too far south to be seen from Germany, but later astronomers (including Nicolas-Louis de Lacaille and Benjamin Apthorp Gould) supplemented Bayer's catalog with entries for southern constellations. Scheme Bayer assigned a lowercase Greek alphabet, Greek letter (alpha (α), beta (β), gamma (γ), etc.) or a Latin letter (A, b, c, etc.) to each star he catalogued, combined with the Latin name of the star's parent constellation in genitive case, genitive (possessive) form. The constellation name is frequently abbreviated to a standard three ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alpha Comae Berenices
Alpha Comae Berenices (α Comae Berenices, abbreviated Alpha Com, α Com) is a binary star in the constellation of Coma Berenices ( Berenice's Hair), away. It consists of two main sequence stars, each a little hotter and more luminous than the Sun. Alpha Comae Berenices is said to represent the crown worn by Queen Berenice. The two components are designated Alpha Comae Berenices A (officially named Diadem , the traditional name for the system) and B. Nomenclature ''α Comae Berenices'' ( Latinised to ''Alpha Comae Berenices'') is the system's Bayer designation. The designations of the two components as ''Alpha Comae Berenices A'' and ''B'' derive from the convention used by the Washington Multiplicity Catalog (WMC) for multiple star systems, and adopted by the International Astronomical Union (IAU). The system bore the traditional names ''Diadem'' and ''Al Dafirah,'' the latter derived from the Arabic الضفيرة ''ađ̧-đ̧afīrah'' "the braid". In 2016, the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Supreme Palace Enclosure
Tai Wei Yuan, the Supreme Palace Enclosure (太微垣), is one of the San Yuan or Three enclosures. Stars and constellations of this group are visible during spring in the Northern Hemisphere (autumn in the Southern). Asterisms The asterisms are : Map See also * Twenty-eight mansions The Twenty-Eight Mansions (), also called or , are part of the Chinese constellations system. They can be considered as the equivalent to the Zodiac, zodiacal constellations in Western astronomy, though the Twenty-eight Mansions reflect the move ... Chinese constellations {{china-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Epsilon Virginis
Epsilon Virginis (ε Virginis, abbreviated Epsilon Vir, ε Vir), formally named Vindemiatrix , is a star in the zodiac constellation of Virgo. The apparent visual magnitude of this star is +2.8, making it the third-brightest member of Virgo. Based upon parallax measurements made by the Hipparcos spacecraft, Vindemiatrix lies at a distance of about from the Sun, give or take half a light-year. Stellar properties Vindemiatrix is a giant star with a stellar classification of G8 III. With 2.7 times the mass of the Sun and at an age of 700 million years, it has reached a stage in its evolution where the hydrogen fuel in its core is exhausted. It is believed to be a red clump star; a red giant star fusing helium into carbon in its core surrounded by a shell fusing hydrogen into helium. As a result, it has expanded to 12 times the Sun's size and is now radiating around 82 times as much luminosity as the Sun. This energy is being emitted from its outer atmosphere at an ef ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Delta Virginis
Delta Virginis (δ Virginis, abbreviated Del Vir, δ Vir), formally named Minelauva , is a star in the zodiac constellation of Virgo. With an apparent visual magnitude of 3.4, this star is bright enough to be seen with the naked eye. It is located at a distance of about from Earth. Nomenclature ''δ Virginis'' ( Latinised to ''Delta Virginis'') is the star's Bayer designation. It bore the traditional, medieval names ''Auva'' and ''Minelauva'' from the Arabic من العواء ''min al-ʽawwāʼ'', meaning "in the lunar mansion of ''ʽawwaʼ''" (a name of unknown meaning). In 2016, the IAU organized a Working Group on Star Names (WGSN) to catalog and standardize proper names for stars. The WGSN approved the name ''Minelauva'' for this star on 30 June 2017 and it is now so included in the List of IAU-approved Star Names. This star, along with Beta Virginis (Zavijava), Gamma Virginis (Porrima), Eta Virginis (Zaniah) and Epsilon Virginis (Vindemiatrix), were ''Al ʽAwwā� ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eta Virginis
Eta Virginis (η Virginis, abbreviated Eta Vir, η Vir) is a triple star system in the zodiac constellation of Virgo. From parallax measurements, it is about from the Sun. It has a combined apparent visual magnitude of 3.89, bright enough to be seen with the naked eye in dark skies. The system consists of a binary pair designated Eta Virginis A together with a third companion, Eta Virginis B. A's two components are themselves designated Eta Virginis Aa (officially named Zaniah , the traditional name of the system) and Ab. Nomenclature ''η Virginis'' ( Latinised to ''Eta Virginis'') is the system's Bayer designation. The designations of the two constituents as ''Eta Virginis A'' and those of ''A's'' components - ''Eta Virginis Aa'' and ''Ab'' - derive from the convention used by the Washington Multiplicity Catalog (WMC) for multiple star systems, and adopted by the International Astronomical Union (IAU). It bore the traditional name ''Zaniah'' , derived from the Ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beta Virginis
Beta Virginis, a name Latinised from β Virginis, is a star in the equatorial constellation of Virgo. It has the proper name Zavijava (), and, despite its designation 'beta', is the fifth-brightest star in Virgo with an apparent visual magnitude of 3.604. The distance to this star is around 35.7 light-years based on parallax; it is drifting further away with a radial velocity of +4.1 km/s. It is 0.69 of a degree north of the ecliptic, so it can be occulted by the Moon and (rarely) by planets. The next planetary occultation of Beta Virginis will take place on 9 November 2210, by Venus; although an occultation by the same planet might be visible on 11 August 2069 from the South Pole. Properties This is an F-type main-sequence star with a stellar classification of F9 V, which means it is generating energy through core hydrogen fusion. Sun-like oscillations have been detected in Beta Virginis, allowing its internal structure to be modeled in more detail ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area around Rome, Italy. Through the expansion of the Roman Republic, it became the dominant language in the Italian Peninsula and subsequently throughout the Roman Empire. It has greatly influenced many languages, Latin influence in English, including English, having contributed List of Latin words with English derivatives, many words to the English lexicon, particularly after the Christianity in Anglo-Saxon England, Christianization of the Anglo-Saxons and the Norman Conquest. Latin Root (linguistics), roots appear frequently in the technical vocabulary used by fields such as theology, List of Latin and Greek words commonly used in systematic names, the sciences, List of medical roots, suffixes and prefixes, medicine, and List of Latin legal terms ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IAU Working Group On Star Names
The International Astronomical Union (IAU) established a Working Group on Star Names (WGSN) in May 2016 to catalog and standardize proper names for stars for the international astronomical community. It operates under Division C – Education, Outreach and Heritage. The IAU states that it is keen to make a distinction between the terms ''name'' and ''designation''. To the IAU, ''name'' refers to the (usually colloquial) term used for a star in everyday conversation, while ''designation'' is solely alphanumerical, and used almost exclusively in official catalogues and for professional astronomy. (The WGSN notes that transliterated Bayer designations (e.g., Tau Ceti) are considered a special historical case and are treated as designations.) Terms of reference The terms of reference for the WGSN for the period 2016–2018 were approved by the IAU Executive Committee at its meeting on 6 May 2016. In summary, these are to: * establish IAU guidelines for the proposal and a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Astronomical Union
The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and development through global cooperation. It was founded on 28 July 1919 in Brussels, Belgium and is based in Paris, France. The IAU is composed of individual members, who include both professional astronomers and junior scientists, and national members, such as professional associations, national societies, or academic institutions. Individual members are organised into divisions, committees, and working groups centered on particular subdisciplines, subjects, or initiatives. the Union had 85 national members and 12,734 individual members, spanning 90 countries and territories. Among the key activities of the IAU is serving as a forum for scientific conferences. It sponsors nine annual symposia and holds a triannual General Assembly that sets policy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prophecy
In religion, mythology, and fiction, a prophecy is a message that has been communicated to a person (typically called a ''prophet'') by a supernatural entity. Prophecies are a feature of many cultures and belief systems and usually contain divine will or law, or preternatural knowledge, for example of future events. They can be revealed to the prophet in various ways depending on the religion and the story, such as visions, or direct interaction with divine beings in physical form. Stories of prophetic deeds sometimes receive considerable attention and some have been known to survive for centuries through oral tradition or as religious texts. Etymology The English noun "prophecy", in the sense of "function of a prophet" appeared from about 1225, from Old French ''profecie'' (12th century), and from ''prophetia'', Greek language">Greek ''propheteia'' "gift of interpreting the will of God", from Greek ''prophetes'' (see prophet). The related meaning, "thing spoken or writt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
