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5 Written questions

5 Matching questions

  1. star classification
  2. parallax
  3. wavelenghth
  4. nebula
  5. supernova
  1. a the length from crest to crest in a wave
  2. b apparent change in the position of a star in the sky. Not because it has moved but because the Earths change in position as it moves around the sun.
  3. c you classify a star on how big ,how hot, and what color it is
  4. d a large amount of gas spread out- it is the birthplace of stars. The gas cloud contracts together forming a star
  5. e are the explosion of a dying star. Iron begins to absorb energy, soon this energy is released and explodes

5 Multiple choice questions

  1. the distance light travels in a year
  2. the theory that the universe will continue to expand
  3. 1. spiral
    2. elliptical
    3. irregular
  4. collects and focuses visible light
  5. how much energy it uses

5 True/False questions

  1. hertzsprung-russel diagramthe actual brightness of stars increases as the surface temperature increases

          

  2. eclipsing binary star systemfound by using a spectroscope

          

  3. the order of the waves by wavelength1. spiral
    2. elliptical
    3. irregular

          

  4. nuclear fusionare the explosion of a dying star. Iron begins to absorb energy, soon this energy is released and explodes

          

  5. black holescore of a super massive star that remains after a supernova