Astronomy Unit By: Sabine Barrett

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Across
  1. 2. The distance that light travels in a year
  2. 5. Does a Spiral galaxy or an Elliptical galaxy have more nebulas?
  3. 7. A type of galaxy with an oval shape
  4. 10. Core of an old, dying star
  5. 11. A galaxy with an irregular shape
  6. 14. The smallest planet in our solar system
  7. 15. The biggest planet in our solar system
Down
  1. 1. Where stars spend 90% of their lives
  2. 3. Is a star or a planet smaller?
  3. 4. The amount of time in minutes it takes for light from the sun to reach the earth
  4. 6. What is at the center of most large galaxies?
  5. 8. Light years are a measure of ____ not time
  6. 9. A type of galaxy with spiral arms
  7. 12. Is a Galaxy or Universe bigger?
  8. 13. A cloud of gas and dust where stars are formed