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Author Question: What is the meaning of a closed universe? A) The universe will expand forever. B) The universe ... (Read 108 times)

Pineappleeh

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What is the meaning of a closed universe?
 
  A) The universe will expand forever.
  B) The universe will someday stop expanding and start to collapse.
  C) The universe will stop expanding in an infinite amount of time.
  D) The universe is in a steady-state.
  E) The universe will disappear into a white hole in time.

Question 2

Would an observer on Mercury see the Sun rise in the east or the west?
 
  What will be an ideal response?



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DylanD1323

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Answer to Question 1

B

Answer to Question 2

Most of the time, the Sun would appear to move east to west from Mercury's surface. Near perihelion, however, the Sun goes into retrograde for a few days and moves west to east.




Pineappleeh

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Reply 2 on: Jul 27, 2018
Wow, this really help


bigcheese9

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Reply 3 on: Yesterday
Excellent

 

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