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Author Question: If a binary is detected by periodic shifts in its spectral lines, it is a(n) ________ binary. ... (Read 306 times)

oliviahorn72

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on: Jul 27, 2018
If a binary is detected by periodic shifts in its spectral lines, it is a(n) ________ binary.
 
  Fill in the blank(s) with correct word

Question 2

If its density suggests its core is similar to ours, why does Venus lack a magnetic field?
 
  What will be an ideal response?


ecox1012

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Reply #1 on: Jul 27, 2018
Answer to Question 1

spectroscopic

Answer to Question 2

Venus' rotation is too slow to drive the dynamo effect that creates the magnetic field Earth has.


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