Delta Ursae Majoris

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Delta Ursae Majoris (δ UMa / δ Ursae Majoris) is a star in the constellation Ursa Major. It has the traditional names Megrez, from the Arabic: المغرز‎ al-maghriz "the base [of the bear's tail]", and Kaffa. Megrez has an apparent magnitude of +3.32 making it the dimmest of the seven stars in the Big Dipper. Located 81 light years away, it is of spectral type A3V and thus a bluish-white main sequence star. It has two faint companions, the 11th magn... more
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Astronomy

Constellation

Ursa Major

Ursa Major is a constellation visible throughout the year in most of the northern hemisphere. Its name means the Great Bear in Latin. It is dominated by the widely recognized asterism known as the Big Dipper or Plough, which is a useful pointer toward north, and which has mythological significance...
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