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Author Question: The closed universe is compared to the surface of a(n) ________ in spacetime. Fill in the ... (Read 38 times)

laurencescou

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on: Jul 27, 2018
The closed universe is compared to the surface of a(n) ________ in spacetime.
 
  Fill in the blank(s) with correct word

Question 2

Emission nebulae get their red color from the red supergiants forming in them.
 
  Indicate whether the statement is true or false


Tonyam972

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

sphere

Answer to Question 2

FALSE


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