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5 Written questions

5 Matching questions

  1. Stellar Evolution
  2. Spectral type K
  3. Luminosity
  4. Binary Stars
  5. Closest Star
  1. a Orange - Temperature range: 3,500 - 5,000 K.
  2. b A star's life path as shown on a Hertzsprung-Russell Diagram.
  3. c The Sun
  4. d A Star's total amount of power radiated into space; measured in watts
  5. e Systems in which physically associated star systems are made up of two stars.

5 Multiple choice questions

  1. Everything is moving. Overcome by making more than two measurements, take all motions in account, now calculate parallax then distance.
  2. White star - Temperature range >30,000 k.
  3. Gravitationally-bound grouping of very old stars. <10,000 to one million stars> Old, many, many, stars, organized.
  4. Spectral type A (aqua) Temperature range: 7,500 - 10,000 K
  5. Originated by Hipparchus. A scale to show how bright the stars appear to our eyes (or binoculars and telescopes)

5 True/False questions

  1. Main SequenceMost stars, like our sun


  2. Variable StarsStars that appear to change in brightness.


  3. Spectroscopic BinaryTwo stars that are so close that the only way we can detect the binary nature is through a spectral (red) shift.


  4. Barnard's StarNext closest after Proxima Centauri. 6 light years away. Next there are about 30 stars within 16.5 light years of earth.


  5. Spectral type MRed - Temperature range <3,500 K.


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