Unit 3 vocab crossword puzzle (test)

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Across
  1. 4. the pattern of lines formed when light passes through a prism to separate it into the different frequencies of light it contains
  2. 6. a tide that happens seven days after a spring tide.
  3. 8. the property of a body that is a measure of its inertia and that is commonly taken as a measure of the amount of material it contains
  4. 10. a massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources.
  5. 11. a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation.
  6. 12. an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum.
  7. 13. a very long-period waves that move through the ocean in response to the forces exerted by the moon and sun.
  8. 16. a tide just after a new or full moon, when there is the greatest difference between high and low water.
  9. 19. a region in space where the gravity is so strong nothing can escape
  10. 20. an invisible force that holds things down
  11. 21. the distance light travels in one year.
  12. 22. what stars like the Sun become after they have exhausted their nuclear fuel.
  13. 23. a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.
  14. 25. a physical theory that describes how the universe expanded from an initial state of high density and temperature.
Down
  1. 1. a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
  2. 2. The change in frequency of a wave in relation to an observer who is moving relative to the wave source.
  3. 3. a regular, repeating path that one object in space takes around another one.
  4. 5. all existing matter and space considered as a whole; the cosmos.
  5. 7. a powerful and luminous explosion of a star
  6. 9. a celestial body orbiting another of larger size.
  7. 10. an unpiloted, unmanned device sent to explore space and gather scientific information.
  8. 14. body's relative mass or the quantity of matter contained by it.
  9. 15. an enormous cloud of dust and gas occupying the space between stars and acts as a nursery for new stars.
  10. 17. a rotating circumstellar disk of dense gas surrounding a young newly formed star.
  11. 18. a cloud of stars,dust,and planets
  12. 24. the galaxy that we live in