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5 Written questions

5 Matching questions

  1. nuclear fusion
  2. apparent magnitude
  3. star classification
  4. the order of the waves by wavelength
  5. light year
  1. a causes hydrogen atoms to come together to become helium atoms
  2. b the brightness of a star as it appears from Earth
  3. c you classify a star on how big ,how hot, and what color it is
  4. d the distance light travels in a year
  5. e radio, micro, infrared, visible light, ultra violet, x-rays, gamma rays

5 Multiple choice questions

  1. found by using a spectroscope
  2. the theory that the universe will continue to expand
  3. the explosion that started the universe
  4. all the waves in the universe
  5. an instrument that splits light into colors

5 True/False questions

  1. types of galaxies1. spiral
    2. elliptical
    3. irregular


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


  3. absolute magnitudethe brightness of a star as it appears from Earth


  4. nebulaa large amount of gas spread out- it is the birthplace of stars. The gas cloud contracts together forming a star


  5. color of stars and their temperatureall the waves in the universe


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