Gemini is one of the constellations of the zodiac. It was one of the 48 constellations described by the 2nd century AD astronomer Ptolemyand it remains one of the 88 modern constellations today. Its name is Latin for " twins ," and it is associated with the twins Castor and Pollux in Greek mythology. Gemini lies between Taurus to the west and Cancer to the east, with Auriga and Lynx to the north and Monoceros and Canis Minor to the south.
In classical antiquity, Cancer Ennio Morricone - The Good, The Bad And The Ugly (Original Motion Picture Soundtrack) not Gemini was the location of the Sun on the first day of summer June During the first century AD, axial procession shifted it into Gemini.
Inthe location of the Sun on the first day of summer moved from Gemini into Taurus, where it will remain until the 27th century AD and then move into Aries. The Sun will move through Gemini from June 21 to July 20 through Gemini is prominent in the winter skies of the Northern Hemisphere and is visible the entire night in December-January.
Another way is to mentally draw a line from the Pleiades star cluster located in Taurus and the brightest star in LeoRegulus. In doing so, an imaginary line that is relatively close to the ecliptic is drawn, a line which intersects Gemini roughly at the midpoint of the constellation, just below Castor and Pollux.
The constellation contains 85 stars of naked eye visibility. The brightest star in Gemini is Polluxand the second-brightest is Castor. Castor's Bayer designation as "Alpha" arose because Johann Bayer did not carefully distinguish which of the two Gemini - Century - Is It Red?
the brighter when he assigned his eponymous designations in Two spectroscopic binaries are visible at magnitudes 1. A wide-set red dwarf star is also a part of the system; this star is an Algol-type eclipsing binary star with a period of Pollux has an extrasolar planet revolving around it, as do two other stars in Gemini, HDand HD The primary is a white star of magnitude 3.
The period is over years; it is divisible in medium amateur telescopes. The optical companion, of magnitude 9. It Gemini - Century - Is It Red? a yellow supergiant, 1, light-years from Earth, with a radius that is 60 times solar, making it approximatelytimes the size of the Sun. The companion, a magnitude The primary is a semi-regular red giant with a period of days; its minimum magnitude is 3. The secondary is of magnitude 6.
The primary is a yellow giant of magnitude 3. The two are only divisible in larger amateur instruments because of the discrepancy in brightness.
The primary is a blue giant of Gemini - Century - Is It Red? 4. The primary is a white star of magnitude 4. U Gem is a dwarf nova type cataclysmic variable discovered by J.
Hind in Mu Gem is the Bayer designation for a star in the northern constellation of Gemini. It has the traditional name Tejat Posterior, which means back foot, because it is the foot of Castor, one of the Gemini twins.
Since the sky area of Gemini is directed away Dittohead - Slayer - Donington the Milky Waythere are comparatively few deep-sky objects of note.
It has an area of approximately 0. Its high magnitude means that M35 is visible to Gemini - Century - Is It Red? unaided eye under dark skies; under brighter skies it is discernible in binoculars.
The stars of M35 are arranged Gemini - Century - Is It Red? chains that curve throughout the cluster; it is light-years from Earth. Another open cluster in Gemini is NGC Visible in large amateur telescopes and very rich, it is more than 12, light-years from Earth. It is named for its resemblance to the head of a person wearing a parka. The Medusa Nebula is another planetary nebula, some 1, light-years distant.
Geminga is a neutron star approximately light-years from Earth. The Geminids are a bright meteor shower that peaks on December 13— It has a maximum Gemini - Century - Is It Red?
of approximately meteors per hour, making it one of the richest meteor showers. They overlap with the Orionidswhich make the Epsilon Geminids difficult to detect visually. Epsilon Geminid meteors have a higher velocity than Orionids. The Twins were regarded as minor gods and were called Meshlamtaea and Lugalirrameaning respectively 'The One who has arisen from the Underworld' and the 'Mighty King'.
Both names can be understood as titles of Nergal, the major Babylonian god of plague and pestilence, who was king of the Underworld. In Greek mythologyGemini was associated with the myth of Castor and Polluxthe children of Leda and Argonauts both. Pollux was the son of Zeuswho seduced Leda, while Castor was the son of Tyndareusking of Sparta and Leda's husband.
Castor and Pollux were also mythologically associated with St. Elmo's fire in their role as the protectors of sailors. Gemini is dominated by Castor and Polluxtwo bright stars that appear relatively very closely together forming an o shape, encouraging the mythological link between the constellation and twinship. Furthermore, the other stars can be visualized as two parallel lines descending from the two main stars, making it look like two figures.
Rey has suggested an alternative to the traditional visualization that connected the stars of Gemini to show twins holding hands. The brightest star in this constellation is Pollux. In Meteorologica 1 b30 Aristotle mentions that he observed Jupiter in conjunction with and then occulting a star in Gemini.
This is the earliest-known observation of this nature. As of [update]the Sun appears in the constellation Gemini from June 21 to July Soon As I Get Home - 2Pac - Pacs Life In tropical astrologythe Sun is considered to be in the sign Gemini from May 21 to June 22, and in sidereal astrologyfrom June 16 to July From Wikipedia, the free encyclopedia.
This article is about the astronomical constellation. For the astrological sign, see Gemini astrology. List of stars in Gemini. Main article: Gemini astrology. Retrieved 7 June Retrieved 12 June Classical Philology. Bakich, Cambridge University Press,page Gemini category. Gemini constellation. Gliese Gliese GJ Gemini OB1. Koposov II. The 88 modern constellations. Lists of constellations. The 48 constellations listed by Ptolemy after AD. The 41 additional constellations added in the 16th and 17th centuries.
Obsolete constellations including Ptolemy's Argo Navis. Apis Phoenicopterus Serpentarius Xiphias. The Zodiac. Categories : Gemini constellation Constellations Northern constellations Constellations listed by Ptolemy. Hidden categories: Articles containing potentially dated statements from All articles containing potentially dated statements Wikipedia articles with GND identifiers Wikipedia articles with LCCN identifiers.
Best visible at 9 p. Wikimedia Commons has media related to: Gemini category. Association Gemini OB1. HII Sh IC NGC
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