Big Bang Theory

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Across
  1. 5. Molecules formed by atoms consisting of antiprotons, antineutrons, and positrons
  2. 7. A variable star having a regular cycle of brightness with a frequency related to its luminosity
  3. 9. Region of space having a gravitational field so intense that no matter or radiation can escape
  4. 11. The displacement of spectral lines toward longer wavelengths in radiation from distant galaxies and celestial objects
  5. 12. A completely empty space
  6. 14. Increase in prices and fall in the value of money
Down
  1. 1. The degree or intensity of heat present in a substance or object
  2. 2. Non-luminous material that is postulated to exist in space
  3. 3. A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy
  4. 4. Unit of astronomical distance equivalent to the distance that light travels in one year
  5. 6. SI base unit of thermodynamic temperature
  6. 8. An instrument for measuring the intensity of light
  7. 10. Science of the origin and development of the universe
  8. 13. A system of millions or billions of stars held together by gravitational attraction
  9. 15. A point of time as measured in hours and minutes past midnight or noon