Constellation in the northern sky, whose associated mythology likely dates back into prehistory.- Ursa Major
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Star that, as viewed from a given latitude on Earth, never sets below the horizon due to its apparent proximity to one of the celestial poles.
Before the definition of the Arctic was formalized as the region north of the Arctic Circle which experiences the Midnight sun, it more broadly meant those places where the 'bear' constellations (Ursa Major, the Great Bear, and Ursa Minor, the Little Bear) were high in the sky.
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.
Another example is the northern asterism popularly known as the Big Dipper (US) or the Plough (UK), composed of the seven brightest stars within the area of the IAU-defined constellation of Ursa Major.
Ursa Minor (Latin: 'Lesser Bear', contrasting with Ursa Major), also known as the Little Bear, is a constellation in the Northern Sky.
Constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.
According to one version, he was a son of Demeter, Philomenus, twin brother of Plutus, a plowman who drove the oxen in the constellation Ursa Major.
Astrometric measure of the observed changes in the apparent places of stars or other celestial objects in the sky, as seen from the center of mass of the Solar System, compared to the abstract background of the more distant stars.
Ursa Major or Crux, for example, look nearly the same now as they did hundreds of years ago.
Pair of stars that appear close to each other as viewed from Earth, especially with the aid of optical telescopes.
Mizar, in Ursa Major, was observed to be double by Benedetto Castelli and Galileo.
One of the 88 constellations designated by the International Astronomical Union .
In classical times, they were listed by Ptolemy as unfigured stars below the constellation Ursa Major in his star catalogue.
Observed pattern or group of stars in the sky.
For example, the asterism known as the Big Dipper comprises the seven brightest stars in the constellation Ursa Major.
The Big Dipper (US, Canada) or the Plough (UK, Ireland) is a large asterism consisting of seven bright stars of the constellation Ursa Major; six of them are of second magnitude and one, Megrez (δ), of third magnitude.
Alpha Ursae Majoris, Latinised from α Ursae Majoris, formally named Dubhe, is, despite being designated "α" (alpha), the second-brightest object in the northern constellation of Ursa Major.