Chapter 10 - Stars chapter review

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Across
  1. 4. the earth's star
  2. 5. a supergiant star that collapsed and disappeared from space
  3. 6. a cloud of dust, gases, and debris in space
  4. 8. telescope that bends light, invented by Galileo
  5. 9. the brightness of a star
  6. 13. an icy chunk of frozen gases, water, and dust that orbits the sun
  7. 14. an irregularly shaped piece of rock, metal, and dust in space
  8. 15. kind of star that is hundreds of times larger than the sun and thousands of times brighter
  9. 16. color of the coolest stars
  10. 18. the distance that light travels in one year
  11. 21. a group of stars that form a picture in space
  12. 22. death explosion of a star
  13. 23. telescope outside our atmosphere that takes breathtaking pictures of space
Down
  1. 1. star that is a collapsed supergiant with tightly packed core
  2. 2. large group of stars held together by gravity
  3. 3. how stars release energy in the form of heat and light - hydrogen atoms become helium atoms
  4. 7. the scientific study of the stars
  5. 9. when a rocky object from space enters Earth's atmosphere and lights up due to friction, it is called a ________
  6. 10. kind of star that our sun is
  7. 11. starts with changing magnitude - can be pulsating or eclipsing
  8. 12. kind of star that is hundreds of times brighter than the sun
  9. 15. telescope that breaks down the light given off by a star into all its colors
  10. 16. telescope that utilizes a mirror, invented by Newton
  11. 17. color of the hottest stars
  12. 19. a huge star system that covers many light-years of space
  13. 20. a star that suddenly flares up and becomes brighter