Dubhe

Astronomy Dubhe (pronounced DOOB-huh or Dubby – take your pick!) is nominally the brightest star in Ursa Major (Alioth, the first star on the Plough’s handle, is slightly brighter). A yellow giant about 120 light years away with a luminosity 300 times that of the Sun, it has a smaller companion that orbits it every 45 years. Someone […]