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Recreating a slice of the Universe

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Published on Aug 20, 2012

Scientists at the Harvard-Smithsonian Centre for Astrophysics (CfA) and their colleagues at the Heidelberg Institute for Theoretical Studies (HITS) have invented a new computational approach that can accurately follow the birth and evolution of thousands of galaxies over billions of years. For the first time it is now possible to build a Universe from scratch that brims with galaxies like we observe around us.

This computer animation, created using new software called Arepo, simulates 9 billion years of cosmic history. Arepo can accurately follow the birth and evolution of thousands of galaxies over billions of years. Arepo generates the full variety of galaxies seen locally, including majestic spirals like the Milky Way and Andromeda.

Video credit: CfA/UCSD/HITS/M Vogelsberger (CfA) & V Springel (HITS)

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