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Polaris, the North Star

A Cepheid variable star that marks the north celestial pole, so all the other stars seem to rotate around it.

Radio Programs

North vs. South Different views of the night sky September 19, 2015

Kochab A former pole star keeps watch June 13, 2015

Thuban Lining up an ancient wonder June 12, 2015

More Polaris A “hiccup” for the North Star October 23, 2014

Polaris Pacing off the distance to the North Star October 22, 2014

A Tale of Two Skies Taking a spin on a merry-go-round September 9, 2013

Star Wheel Whirling around the North Star April 30, 2013

Celestial Navigation Navigating by the stars April 9, 2013

Polaris III Poking into the life of a famous star February 20, 2013

Polaris II The un-steady beat of the North Star February 19, 2013

Polaris Guided by the North Star February 18, 2013

Future Beacons Lining up the North Stars July 22, 2012

Star Markers Heading north to the stars May 19, 2011

Featured Images

Current and future pole stars

Moving On July 23, 2012