Welcome to Astronotes
Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. We hope you will come here to learn what is hot and exciting, profound or even weird from worlds beyond ours . So that's the introduction out of the way, now on with the Universe!
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astronomy history Archive
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![Cepheid variables are massive, pulsating stars, valued by astronomers for the precise link between their brightness and steady pulsation. Let’s look at the history of Cepheid variables and how recent […]](http://www.armaghplanet.com/blog/wp-content/uploads/2010/11/Image-of-eclipsing-binary-115x115.jpg "Cepheids: Inconstant Stars which break the rules")
Cepheids: Inconstant Stars which break the rules
Posted on November 26, 2010 | 6 CommentsCepheid variables are massive, pulsating stars, valued by astronomers for the precise link between their brightness and steady pulsation. Let’s look at the history of Cepheid variables and how recent […]