Big Bang Vocabulary

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Across
  1. 5. Red shift and cosmic background radiation are examples of this
  2. 7. A faint glow of energy left over from the Big Bang
  3. 9. The idea that the universe began from a small, hot point
  4. 11. Light from galaxies moving away shifts toward this color
  5. 12. A change in light when galaxies are moving away from Earth
  6. 15. Galaxies are ___ away from each other
  7. 17. A large group of stars, gas, and dust held together by gravity
  8. 19. Another light element formed early in the universe (He)
  9. 20. A scientist who studied space and helped us understand the universe
Down
  1. 1. One light element formed early in the universe (H)
  2. 2. The universe was very hot and full of this at the beginning
  3. 3. Early elements formed as the universe cooled
  4. 4. The universe began from a very small, hot point and has been doing this ever since
  5. 6. Edwin/Edward Hubble discovered that galaxies are doing this
  6. 8. The farther a galaxy is, the faster it moves away
  7. 10. The universe is getting bigger over time
  8. 13. The closest galaxy to the Milky Way
  9. 14. The distance light travels in space in one year.
  10. 16. Scientists measure the distance to Andromeda in this unit
  11. 18. Small amounts of this element also formed early