Artist's rendering of the binary star system GG Tauri A.
Wikimedia Commons
Astronomers are discovering our solar system is unique in that it only has one star, while others in the galaxy have two or more. University of Arizona astronomy professor Kaitlin Kratter discusses multiple star systems and how they can affect planetary formation.
Kaitlin Kratter spoke with Tim Swindle, professor emeritus in Astronomy at the University of Arizona
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