Big Bang Crossword puzzle

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Across
  1. 2. American Astronomer who proved that what was thought to be clouds of dust and gas were actually galaxies beyond the Milky Way.
  2. 4. Astronomer who formulated the theory of stellar nucleosynthesis
  3. 9. an instrument that separates incoming light by its wavelength or frequency and records the resulting spectrum
  4. 10. American astronomer who, along with Arno Allan Penzias, discovered cosmic microwave background radiation in 1964. The pair won the 1978 Nobel prize in physics for their discovery.
  5. 11. CMB
  6. 13. The creation of the Universe
  7. 16. Oppoiste end of the Red Shift
  8. 17. Considered to be the smartest man to ever live
Down
  1. 1. The wavelengths of color visible by the human eye. These are determined by wavelengths that increase or decrease changing the color visible to us.
  2. 2. spectrum EM spectrum (EM radiation)
  3. 3. The chemical element with the atomic number 2 and the elemental symbol He
  4. 5. American physicist, radio astronomer and Nobel laureate in physics. Along with Robert Woodrow Wilson, he discovered the cosmic microwave background radiation, which helped establish the Big Bang theory of cosmology.
  5. 6. the capacity for doing work and causing change
  6. 7. The chemical element with the atomic number 1 and the elemental symbol H
  7. 8. that which all rests in, was the first thing to be created
  8. 12. The displacement of spectral lines towards those with longer wavelengths
  9. 14. gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
  10. 15. The study of space and the Universe