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Documents A Trip Through the Universe Part II. What are binary stars?

A Trip Through the Universe Part II What are binary stars? What are constellations? What is an asterism? How do you find Polaris from Ursa Major? What are circumpolar constellations?…

Documents Interacting Binary Stars Algol-Type Binaries Geary E. Albright SMP March 2, 2013.

Interacting Binary Stars Algol-Type Binaries Geary E. Albright SMP March 2, 2013 Algol - The Demon Star Algol derives from Arabic ra's al-ghūl : head (ra's) of…