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Author Question: The density of the cosmos at the end of the lepton epoch was comparable to iron, about ten times ... (Read 29 times)

dejastew

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on: Jul 27, 2018
The density of the cosmos at the end of the lepton epoch was comparable to iron, about ten times denser than water.
 
  Indicate whether the statement is true or false

Question 2

Suppose you want to determine the chemical composition of a distant planet or star. Which of the following will be most useful to have?
 
  A) high angular resolution
  B) high turbulence
  C) a radio telescope
  D) high spectral resolution


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underwood14

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

TRUE

Answer to Question 2

D


dejastew

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Reply 2 on: Jul 27, 2018
Gracias!

frankwu0507

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Reply 3 on: Yesterday
Excellent

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