Eclipse crossword puzzle

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Across
  1. 4. creation of the solar system
  2. 6. the Stellar core of a dying star that rotted away
  3. 7. Rotating disc with arms curving in the direction is is spinning
  4. 9. Invisible property that pulls objects together
  5. 11. cosmic snowballs of frozen gases, rock, and dust that orbit the Sun
  6. 13. The observed displacement of an object caused by the change of the observer's point of view.
  7. 14. Space rocks that have hit Earth
  8. 15. when a Massive star collapses
  9. 16. The complete range of all types of radiation that has both electric and magnetic fields and travels in waves.
  10. 21. When a star explodes
  11. 23. the amount of matter in an object
  12. 24. young star that is still gathering mass from its parent molecular cloud.
  13. 25. a dying star in the final stages of Stellar evolution
Down
  1. 1. Massive black hole feeding on gas in the center of a galaxy
  2. 2. A rotating star that blasts out radiation
  3. 3. small, rocky objects that orbit the Sun
  4. 5. how bright an object appears in the sky from Earth.
  5. 8. a measure of how bright a star would be if it were seen from a standard distance. apparent magnitude
  6. 10. Relationship between temperature and Luminosity in a star
  7. 12. property of a body that makes it oppose any force that would cause a change in its motion
  8. 17. a group of stars that form a shape
  9. 18. Determines the masses of stars
  10. 19. where gravity pulls so much that not even light can get out
  11. 20. Earth's Brightest star
  12. 22. two nuclei merge to make a big nucleus