Chapter 10. Stars

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Across
  1. 4. how bright a star appears to us is called ____ magnitude
  2. 8. pass through the atmosphere and hits Earth's surface
  3. 9. largest and brightest stars
  4. 12. two or three stars held together by gravity is called ______ star group
  5. 15. stars are glowing ____ of gases that produce light
  6. 18. scientific study of stars
  7. 20. stars that regularly or repeatedly change in magnitude are called _____ stars
  8. 22. closest star to Earth
  9. 23. a cloud of dust, gases, and debris
  10. 24. a group of stars that form a pattern
  11. 26. rocky object that enters Earth's atmosphere and lights up
  12. 27. made of irregularly shaped pieces of rock, metal, and dust
Down
  1. 1. contains two stars is called ____ system
  2. 2. smaller stars, like our sun, are ___ stars
  3. 3. telescope that break starlight into its colors
  4. 5. chunk of frozen gases, water, and dust that orbits the sun
  5. 6. a large group of stars held together by gravity
  6. 7. telescopes that bend light to make objects seem larger
  7. 10. a neutron star that spins rapidly on its axis
  8. 11. when a massive supergiant star collapses and disappears from space
  9. 13. measurement of a star's apparent movement over time
  10. 14. a huge star system that covers many light-years of space
  11. 16. brightness of a star
  12. 17. how bright the star really is called _____ magnitude
  13. 19. rocky object in space
  14. 21. hottest stars have this color
  15. 25. existing star flares up and becomes brighter than normal