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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Kaetlynrenae Kaetlynrenae
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6 years ago
Which of the following stars is an example of a spectroscopic binary system?
 
  A) Mizar
  B) Triton
  C) Europa
  D) Ceres

Question 2

The set of star types, called the spectral sequence, is important because it is a _____.
 
  A) wavelength sequence
  B) visibility sequence
  C) positioning sequence
  D) temperature sequence

Question 3

The__________is a graph that separates the effects of temperature and surface area on stellar luminosities and enables astronomers to sort the stars according to their diameters.
 
  A) Herzberg diagram
  B) Hertzsprung-Russell diagram
  C) Ptolemaic geocentric
  D) Maxam-model
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qurat.ain46qurat.ain46
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6 years ago
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Kaetlynrenae Author
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#2
6 years ago
Now I'm convinced to ask more questions Slight Smile
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