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Computing the X-Ray Universe Movie: text
How are they simulated?
The calculation begins roughly one billion years after the big bang, when the
universe was denser and more uniform than it is today. In this
closed two-dimensional universe is represented as the surface of an expanding
The calculation is performed in a patch hundreds of millions of light
years on a side, which is large enough to fairly represent the universe
whole. The calculation follows the growth of initially small matter density
fluctuations as the universe expands.
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Copyright, (c) 1995: Board of Trustees, University of
NCSA. Last modified, 10/12/95