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Author Question: Ten parsecs is about ________. A) 32.6 light-years B) 10 parallax seconds of angle C) 150 ... (Read 71 times)

Sportsfan2111

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on: Jul 27, 2018
Ten parsecs is about ________.
 
  A) 32.6 light-years B) 10 parallax seconds of angle
  C) 150 million kilometers D) 10,000 seconds

Question 2

What lucky factor prevented the Chelyabinsk object from causing much damage at ground level?
 
  A) It was made entirely of ices and thus exploded high in the air.
  B) It hit Earth at an oblique angle and thus exploded high in the air.
  C) A prototype asteroid defense system was being tested nearby.


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aburgess

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

A

Answer to Question 2

B


Sportsfan2111

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Reply #2 on: Jul 27, 2018
Thanks


aburgess

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Reply #3 on: Jul 27, 2018
Welcome :)


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