Space and Astronomy

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Across
  1. 3. The end of a star's life
  2. 9. The planet closest to the Sun
  3. 11. A planet that's not in our Solar System
  4. 12. Our home galaxy
  5. 14. Icy objects that are sometimes seen from Earth
  6. 15. The part of the Milky Way we are located in
  7. 16. It takes 8 of them for light from the Sun to reach Earth
  8. 17. It's sometimes called the "jewel of the Solar System"
Down
  1. 1. The farthest planet from the Sun
  2. 2. Has gravity so strong, not even light can escape them
  3. 4. The galaxy closest to our own
  4. 5. Where stars form
  5. 6. Largest planet in the Solar System
  6. 7. The star system closest to the Solar System
  7. 8. Shapes formed by stars in the night sky
  8. 9. It's sometimes called the "Red Planet"
  9. 10. Yay or nay: is our Sun a star?
  10. 13. 63 Earths could fit inside this planet