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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. objects that are closer seem to move more than objects farther away

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

  4. visible light separated into its different wavelengths/the rainbow

3 True/False questions

  1. spectrograph
    visible light separated into its different wavelengths/the rainbow

          

  2. light-year
    the distance light travels in one year.

          

  3. absolute magnitude
    how bright a star seems to be