Podcast: The Story of Galaxy Evolution

By Fraser Cain - February 27, 2007 03:56 PM UTC | Extragalactic

Our Milky Way is a complex and majestic barred spiral galaxy. But 13.7 billion years ago it began, like all galaxies, from the elementary particles formed in the Big Bang. How did our galaxy grow from nothing to the hundreds of billions of stars we see today?

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Story of Galaxy Evolution

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Fraser Cain

Fraser Cain is the publisher of Universe Today, founding the website in March 1999. He's also the co-host of Astronomy Cast.