The Big Bang

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Across
  1. 1. ignited within these pockets.
  2. 3. modern telescopes can detect these as they appeared when the universe was only one billion years old.
  3. 4. due to tiny advantage in quantity, the battle between matter and antimatter was won by _____.
  4. 5. considered strong evidence of the validity of the big-bang model
  5. 6. have the same mass as particles of ordinary matter but have opposite charge and quantum spin
  6. 10. protons abs neutrons came together to form the _____ of simple elements.
  7. 11. discovered that the universe was expanding
  8. 12. After inflation ended in the first tiny fraction of a second, the universe continued to
Down
  1. 1. hypothetical point in space-time at which matter in infinitely compressed to infinitely small volume
  2. 2. elementary particles that begin to bond in trios forming protons she neutrons.
  3. 5. for the next 300,000 to 500,000 years, the universe remained an enormous of hot ________ gas.
  4. 6. the vacuum energy that is emerging in the universe continues to overtake the pull of gravity from matter.
  5. 7. today this cosmic microwave background _____ gives astronomers a window onto the early universe
  6. 8. process in which peculiar type of energy that existed in the vacuum of space was suddenly mobilized.
  7. 9. The universe began with a vast that generated space and time