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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

Variable Stars Some un-constant stars February 20, 2020

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

Featured Images

diagram showing future north stars

Royal Pole Star September 19, 2017

Current and future pole stars

Moving On July 23, 2012