Ursa Major


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Ursa Major and bright neighboring starsclick for a larger image
Ursa Major and bright neighboring stars

Ursa Major

(er -să) (Great Bear) An extensive very conspicuous constellation in the northern hemisphere that can be used to indicate the positions of brighter neighboring stars (see illustration). The seven brightest stars form the Plough. Among these, the three brightest stars are Alioth, Alcaid, and Dubhe, all about magnitude 1.8. The area contains several double stars including the naked-eye double Mizar and Alcor, the planetary Owl nebula, and the close spiral galaxies M81 (NGC 3031) and M82 (NGC 3034). M82 is a starburst galaxy. Abbrev.: UMa; genitive form: Ursae Majoris; approx. position: RA 11.5h, dec +55°; area: 1280 sq deg.

Ursa Major

 

(or Big Bear), a constellation in the northern hemisphere.. Seven stars of Ursa Major form a figure resembling a dipper with a handle. The two brightest stars, Alioth and Dubhe, have a brightness of 1.8 of the visual stellar magnitude. The North Star can be found along the line drawn through the two outer stars. Visibility is best in March and April. Ursa Major can be seen everywhere in the USSR.

Ursa Major

[′ər·sə ′mā·jər]
(astronomy)
A northern constellation, right ascension 11 hours, declination 50°N; it contains a group of seven stars known as the Big Dipper.
References in periodicals archive ?
Under the Ursa Major flag, the operation had run into all kinds of trouble.
At the opposite end of Ursa Major, well beyond the front of the Big Dipper's bowl, lie M81 and M82, the sky's brightest galaxy pair.
Ursa Major's was a best-priced 25-1 with William Hill prior to today's final declaration stage.
Ursa Major is now likely to take his chance in either the English or Irish St Leger on his next start.
M2 EQUITYBITES-9 July 2010-Inspiration Mining completes acquisition of Ursa Major Minerals' shares(C)2010 M2 COMMUNICATIONS http://www.m2.com
And at least two pages are devoted to every officially recognized constellation as well as to other patterns of stars belonging to one or more constellations (such as the Big Dipper, a part of Ursa Major).
Crotchety Victor, played by Richard Wilson in the TV comedy, is apparently centred on the Ursa Major constellation (the Great Bear), which contributes stars to his eyes, nose and jowls.
The minimalization and persistent interruption of the images permitted us to see the screen as an object, trembling with projected light, under the night sky as the moon rose and set, and as the septet of Ursa Major, under which the screen stood, imperceptibly swung a giant arc.
THE moon will be at last quarter tonight and does not rise until after 11pm, so this should give you a chance to look at two different types of objects within Ursa Major. The first is the spiral galaxy M108 that can be found at RA11 11 41 Dec + 53 38 46 under the plough east of the star Merak.
Trainer Conrad Allen was left red-faced at the Surrey fixture after winning the feature race with Ursa Major. Allen had lambasted the handicapper after his charge was raised 3lb for finishing second in a race that was "no better than a seller."
The Sheperds Friendly Society, founded on Christmas Day 171 years ago, has bought three stars in the constellation of Ursa Major (the Great Bear).
The result ultimately was Ursa Major Corp., a small but thriving family business in Ashland.