ricci
05-12-09, 05:55 AM
Polaris, or alpha Ursae minoris, is the closest star to the northern celestial pole. Because of the precession the pole is approaching the star. A summary on its motion
www.pierpaoloricci.it/dati/stellapolare_eng.htm
www.pierpaoloricci.it/dati/stellapolare_eng.htm