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Ursa Major
In astronomy, the "Great Bear", the most prominent northern constellation, containing the seven stars that form the Big Dipper.
Word Entries at Get Words: “ursa major”
Ursa Major, Great Bear (s) (proper noun) (no pl)
The third largest constellation in the sky in the north polar region: The seven brightest stars in the Ursa Major make up the familiar shape, or asterism, of the Big Dipper. The second star of the handle of the dipper, called "Mizar", has a companion star, "Alcor".

Two stars forming the far side of the bowl act as pointers to the north star, "Polaris". "Dubhe", one of them, is the constellation's brightest star.

This entry is located in the following unit: Astronomy and related astronomical terms (page 27)