Ursa Major star cluster xuše-ye Xers-e Bozorg (#) Fr.: amas de la Grande Ourse A moving star cluster containing over 100 stars that are scattered over an area of sky more than 1,000 minutes of arc in diameter. The five brightest stars of the → Big Dipper as well as → Sirius belong to this → dynamical stream. → Ursa Major; → star; → cluster. |