ISBN: | 978-5-5138-3107-5 |
High Quality Content by WIKIPEDIA articles! The Ursa Major Moving Group, also known as Collinder 285 or Ursa Major association, is a nearby stellar moving group, a set of stars with common velocities in space and thought to have a common origin. Its core is located roughly 80 light years away. It is rich in bright stars including most of the stars of the Big Dipper.