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Author Question: If a star system at 30 parsecs distance is found to be broadcasting intelligent radio signals, then ... (Read 52 times)

Themember4

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on: Jul 27, 2018
If a star system at 30 parsecs distance is found to be broadcasting intelligent radio signals, then their news is already ________ years old.
 
  Fill in the blank(s) with correct word

Question 2

The impact of which comet helped establish the importance of impacts in our solar system?
 
  A) Kohoutek
  B) Hale-Bopp
  C) Halley's Comet
  D) Comet ISON
  E) Shoemaker-Levy 9


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frankwu0507

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

about 93

Answer to Question 2

E


Themember4

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Reply 2 on: Jul 27, 2018
Gracias!

peter

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Reply 3 on: Yesterday
Excellent

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