ASTRONOMY TERMS AND CONCEPTS

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Across
  1. 2. Closest major galaxy
  2. 5. Planet outside our solar system
  3. 8. Exploding star
  4. 11. Shooting star
  5. 12. Bright object powered by a black hole
  6. 14. When the Moon blocks the Sun
  7. 17. Distance light travels in a year
Down
  1. 1. Space object with intense gravity
  2. 3. Earth's natural satellite
  3. 4. Ice and dust in space
  4. 6. Rock orbiting the Sun
  5. 7. Tool for stargazing
  6. 9. Brightest planet in the night sky
  7. 10. Force keeping planets in orbit
  8. 13. Celestial body that shines
  9. 15. Planet with rings
  10. 16. Milky Way, for example