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Ninth Grade (Grade 9) Stars Questions

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Grade 9 Stars
Which area of Earth science includes the study of stars?
  1. meteorology
  2. hydrology
  3. geology
  4. astronomy
Grade 9 Stars
Which is NOT true about a protostar?
  1. It is usually much larger than it will be as a star
  2. It glows due to the heat of the gases in its core
  3. It may become a brown dwarf
  4. It generates pressure by fusing hydrogen
Grade 9 Stars
The brightness of a star is called its
  1. redshift
  2. parallax
  3. variableness
  4. magnitude
Grade 9 Stars
Grade 9 Stars
What is a supernova?
  1. explosion of a small star
  2. explosion of a medium star
  3. explosion of a massive star
  4. collapsing of a nebula
Grade 9 Stars
What color are the hottest stars?
  1. blue-white
  2. yellow
  3. orange
  4. red
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