Before revision: During the 1st millennium BC, Beta Ursae Minoris ( "Kochab" ) was the bright star closest to the celestial pole, but it was never close enough to be taken as marking the pole, and the Greek navigator Pytheas in ca.
After revision: During the 1st millennium BC, Beta Ursae Minoris ( Kochab ) was the bright star closest to the celestial pole, but it was never close enough to be taken as marking the pole, and the Greek navigator Pytheas in ca.