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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

Pole Stars Pole stars for north and south October 6, 2018

Pherkad Deciphering a changing star October 22, 2017

Alderamin Lining up a future North Star September 19, 2017

Pole Stars Lining up the north stars March 5, 2017

Future North Star Lining up a future north star July 27, 2016

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

Featured Images

diagram showing future north stars

Royal Pole Star September 19, 2017
Current and future pole stars

Moving On July 23, 2012