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Stargazing Tip for March 11

One of the most beautiful double stars is Algieba, in Leo, the lion, a constellation that is prominent during spring. Seen through a telescope, both of its stars shine a lovely golden yellow.

Today's Radio Program

Algieba

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Today's Question

What causes tides?

StarDate magazine

cover of January-February 2010 issueTuning In



From the Gift Shop

Secrets of Stargazing

Here's the perfect how-to book for recreational stargazers. It's loaded with practical advice to help new observers spend more time exploring the night sky and less time fumbling with equipment or wondering how, when, and what to observe.


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Peek-A-Boo Moon

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Special Features

History of telescopes

Hobby-Eberly Telescope Black Holes Encyclopedia

Black Holes Encyclopedia

Texas Native Skies: Exploring Astronomy in Early Texan Cultures

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