Polaris
Polaris, Alpha Ursae Minoris (α UMi), commonly known as the North Star, is the closest relatively bright star to the north celestial pole. It lies… Read More »Polaris
Cepheid Variables
Polaris, Alpha Ursae Minoris (α UMi), commonly known as the North Star, is the closest relatively bright star to the north celestial pole. It lies… Read More »Polaris