Science

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Across
  1. 2. The scientifical study of space.
  2. 4. Left over energy from the beginning of the universe.
  3. 5. Used to study light.
  4. 8. electrons, protons, and neutrons that formed the universe.
  5. 10. The visible spectrum is that portion of the electromagnetic spectrum that's visible to the human eye.
Down
  1. 1. An instrument that separates and measures the light waves of light.
  2. 3. The light of something when moving toward or away from you.
  3. 6. A theory that the universe started growing and forming.
  4. 7. a series of planets that have a gravitational pull.
  5. 9. all matter and space that exists.