Merak /ˈmɪəræk/, also called Beta Ursae Majoris (β Ursae Majoris, abbreviated Beta UMa, β UMa), is a star in the northern constellation of Ursa Major.
They marched across the breadth of the earth and surrounded the camp of God’s people, the city he loves. But fire came down from heaven and devoured them. Revelation 20:9 NIV
Extending an imaginary straight line from this star [Merek] through the nearby Alpha Ursae Majoris (Dubhe) extends to Polaris, the north star.