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Author Question: The final core collapse of a massive star takes about 13 seconds. Indicate whether the statement ... (Read 75 times)

urbanoutfitters

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on: Jul 27, 2018
The final core collapse of a massive star takes about 13 seconds.
 
  Indicate whether the statement is true or false

Question 2

The term observable universe refers to
 
  A) that portion of the universe that we have so far photographed through telescopes.
  B) the portion of the universe that can be seen by the naked eye.
  C) the portion of the universe that is not hidden from view by, for example, being below the horizon.
  D) that portion of the universe that we can see in principle, given the current age of the universe.


C.mcnichol98

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

FALSE

Answer to Question 2

D


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urbanoutfitters

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


C.mcnichol98

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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