Unit 7 vocabulary words

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Across
  1. 2. A object so dense nothing near can escape the gravitational field
  2. 5. explosion caused by a large star
  3. 6. A galaxy with arms that spiral out from the center
  4. 9. Galaxy in circle/ oval shape, but doesn't have distinct spirals like spiral galaxy
  5. 10. It is a basic measurement/ starting point
  6. 11. Unit that measures light distance in a year
  7. 12. The force that pulls things together, and keeps the planets orbiting around the sun
  8. 13. Essentially everything in existence, all space-time and matter that exists
  9. 14. The galaxy in which our solar system is located
Down
  1. 1. are large clouds of dust and gas in space-occupying space between stars
  2. 3. The average distance between the Earth and the sun (93 million miles)
  3. 4. information that supports a theory or claim
  4. 6. Explanation of Scientific observations, experiments, and claims
  5. 7. is a collection of planets, moons, space objects, and asteroids that orbit the sun
  6. 8. billions of stars, dust, and gases held together with gravitational forces