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Author Question: If a star is found by spectroscopic observations to be about 500 parsecs distant, its parallax is ... (Read 7 times)

deesands

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on: Jul 27, 2018
If a star is found by spectroscopic observations to be about 500 parsecs distant, its parallax is
 
  A) .2.
  B) .5.
  C) .02.
  D) .002.
  E) .005.

Question 2

Orbital resonances are a characteristic of some extrasolar systems but are not seen in our solar system.
 
  Indicate whether the statement is true or false


CharlieArnold

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

D

Answer to Question 2

TRUE


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deesands

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Reply #2 on: Jul 27, 2018
Thank you!


CharlieArnold

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Reply #3 on: Jul 27, 2018
Always glad to help...


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