Big Bang Vocab

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Across
  1. 2. Is the lightest and most abundant element in the universe
  2. 4. The scientific study of celestial objects
  3. 5. Revolutionized the modern astronomy
  4. 10. Collaborated with Philip Glass on the landmark opera Einstein on the Beach
  5. 13. Faint, nearly uniform radiation filling the universe, representing the cooled remnant
  6. 16. There are estimated to be as many as 100 billion to 2 trillion
  7. 17. Colorless, odorless, non-toxic noble gas with the lowest boiling point of any element
  8. 18. German-born physicist and activist who revolutionized physics
Down
  1. 1. Made a groundbreaking discovery of cosmic microwave background radiation
  2. 3. Developed the theory of stellar nucleosynthesis
  3. 6. The entire range of light radiation
  4. 7. All existing matter, energy, and space
  5. 8. Narrow segment of electromagnetic radiation detectable by the human eye,
  6. 9. The prevailing scientific model explaining that the universe began approximately 13.8 billion years ago from an extremely hot, dense point
  7. 11. An instrument that splits light
  8. 12. The quantitative, conserved property defined as the capacity to do work
  9. 14. The wavelength of the light is stretched
  10. 15. An astronomical phenomenon where light from an object moving toward an observer shifts to shorter, bluer wavelengths