Zoom to Polaris
Автор: Bob Trembley (Balrog)
Загружено: 2017-09-04
Просмотров: 32793
Описание:
Polaris, the North Star, is a triple star system; the main star, Polaris Aa is a yellow supergiant in orbit with a smaller main sequence companion, Polaris Ab. The Aa-Ab pair orbit with Polaris B, a main sequence star much further out.
This video was created for inclusion in this post on "The Catholic Astronomer" - the blog of the Vatican Observatory Foundation: http://www.vofoundation.org/blog/sky-...
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