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4 Written questions

4 Multiple choice questions


  1. hot gases pass through cooler gases and absorb wavelengths of the spectrum. It shows up as dark lines on a colored background.
  2. how bright a star really is.

  3. a spectrum with no interruptions or black lines

  4. spectrum of bright lines on a dark background/given off by elements heated to a gas/how the color is put in fireworks

3 True/False questions

  1. light-year
    objects that are closer seem to move more than objects farther away

          

  2. spectrograph
    an instrument used to study the spectrum of a star

          

  3. constellation
    visible light separated into its different wavelengths/the rainbow

          

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