Astronomy, by Sophia C & Vivi K

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Across
  1. 4. Spinning around and around
  2. 5. Means how massive it is
  3. 8. When a star colapsis with a huge explosion due to gravity
  4. 9. Dwarf Core of an old dying star
  5. 13. A round or egg shape
  6. 14. Really big star that keeps us alive
  7. 15. Hole Center of most galaxies
Down
  1. 1. occurs when two atoms slam together and form a bigger atom
  2. 2. year 5.88 trillion miles or 9.5 trillion km
  3. 3. Where we live in space
  4. 6. Small and average
  5. 7. A different shape
  6. 10. A cloud of gas and dust were stars are formed
  7. 11. Way Our galaxy
  8. 12. Bright and small