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"The Universe: Finite or Infinite?"
Smithsonian Institution, Office of Public Affairs, Washington, D.C. 20560.2~~.

Author: George Field
The universe is now expanding, ap- parently as the result of a giant explo- sion some 15 to 20 billion years ago. Will it continue to expand indefinitely, or stop expanding and collapse?
While some recent observations suggest that it will expand through all eternity, scientists at the Harvard- Smithsonian Center...