Seeds of Modern Universe

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Across
  1. 1. the study of the organization and evolution of the universe
  2. 3. laws
  3. 5. the theory of cosmology in which the expansion of the universe began with a primeval explosion (of
  4. 6. time, matter, and energy)
  5. 7. the building of heavier atomic nuclei from lighter ones
Down
  1. 2. the speculative idea that our universe is just one of many universes, each with its own set of
  2. 4. the energy that is causing the expansion of the universe to accelerate; its existence is inferred
  3. 7. observations of distant supernovae