Cosmology Crossword

12345678910111213141516171819
Across
  1. 6. To understand the nature of our universe, astronomers gather evidence from this kind of radiation.
  2. 7. The variable, c, is a constant value that is also equal to 300,000,000 m/s (three words).
  3. 10. The redshift of light is similar to this effect of sound (hint: a siren changing pitch as it moves past you).
  4. 11. The nearest galaxy to ours.
  5. 13. The color of galaxies from our perspective as they move faster and further away from us.
  6. 16. Law that states that the farther away a galaxy is, the faster it is moving.
  7. 17. The distance between two repeated points on a wave.
  8. 19. The second lightest and second most abundant element in the universe.
Down
  1. 1. The first period of time in the universe after the big bang in which there were tremendous fluctuations in energy.
  2. 2. the acronym for the faint glow of microwave radiation left over from the birth of our universe.
  3. 3. A unit of measurement of distance that uses the abbreviation ly.
  4. 4. This is the most common form of electromagnetic radiation to us on Earth.
  5. 5. Quantum ________ ________ are the seeds for the growth of structure in our universe.
  6. 8. The lightest and most abundant element in the universe.
  7. 9. Multiplying the frequency and wavelength of a wave together will get you the wave's _____.
  8. 12. Time as we know it began with this event.
  9. 14. Number of waves that are produced in one second.
  10. 15. If a galaxy were moving toward us, the color would appear to be _____.
  11. 18. The period of time after the big bang in which the major forces of the universe began to distinguish themselves from each other.