Podcast: The Largest Structures in the Universe

By Fraser Cain - March 05, 2007 03:58 PM UTC | Cosmology

This week we continue the story of galaxy formation, learning how groups of galaxies come together to form the biggest structures around - galaxy superclusters. And when you look at the Universe at this scale, environment is everything.

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Largest Structures in the Universe

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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.