News tagged with polaris system

Search results for polaris system

The Polaris Cluster

(PhysOrg.com) -- A Cepheid star is one whose mass and age results in physical conditions that generate periodic oscillations in its photosphere. A Cepheid thus varies regularly in brightness, with a period ...

May 28, 2010 5 / 5 (2) 0 | with audio podcast

List of search results for polaris system