Shape of the Universe

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Across
  1. 2. ending where entropy causes everything to stop
  2. 4. explains the expansion of space
  3. 7. finite and positive curvature
Down
  1. 1. ending where dark matter expands too quickly
  2. 2. ending where the universe "shrinks"
  3. 3. ending where universe repeats itself
  4. 5. infinite and negative curvature
  5. 6. infinite and no curvature