Mizar at 15°42′ Virgo has an orb of 2°10′ The Sun joins Mizar on September 8 Fixed star Mizar, Zeta Ursae Majoris, is a quadruple star system in the Tail of the Big Bear, Ursa Major constellation. Mizar is a visual double, each of which is a spectroscopic binary. The two visible stars are referred to … Continue reading Fixed Star Mizar