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Author Question: Do you think it is possible that a carbon star could harbor an advanced civilization? Explain your ... (Read 31 times)

elizabeth18

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on: Jul 27, 2018
Do you think it is possible that a carbon star could harbor an advanced civilization? Explain your reasoning.
 
  What will be an ideal response?

Question 2

The GAIA mission obtains astrometric data of stars with accuracy in some cases better than 10 microarcseconds. In terms of angular width, what is this equal to?
 
  A) A human hair viewed from a distance of 20 miles
  B) A human hair viewed from a distance of 200 miles
  C) A human hair viewed from a distance of 2000 miles
  D) A human hair viewed from a distance of 20000 miles


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asware1

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

A carbon star is a very old low-mass star, after it has passed through the red giant phase. Earth may survive the red giant phase of the Sun, as planets in similar systems have, but. the cool red radiation may make processes such as photosynthesis difficult. Maybe an advanced civilization could have developed around this star, but it would have had to make special arrangements to survive the red giant phase of its mother star.

Answer to Question 2

C


elizabeth18

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

ttt030911

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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