Science Ch. 10 Vocabulary

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Across
  1. 2. stars that regularly or repeatedly change in magnitude
  2. 5. measurement of a star's apparent movement over time
  3. 7. when an existing star flares up and becomes brighter
  4. 13. largest and brightest stars
  5. 16. group of stars that form a pattern
  6. 18. star _______ is a large group of stars held together by gravity
  7. 19. neutron star that spins rapidly on its axis
Down
  1. 1. ____ system containing two stars
  2. 3. holes - massive supergiant collapses and disappears from space
  3. 4. chunk of frozen gases, water, and dust that orbits the sun
  4. 6. scientific study of stars
  5. 8. the brightness of a star
  6. 9. stars that are smaller, like our sun
  7. 10. belief that the stars position controls your destiny
  8. 11. telescopes that bend light to make objects appear larger
  9. 12. _____ star group is two or three stars held together by gravity
  10. 14. made irregularly shaped pieces of rock, metal, and dust
  11. 15. a huge star system that covers many light-years of space
  12. 17. cloud of dust, gases, and debris