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Author Question: The Moon's lower density indicates it has a smaller concentration of iron in its core, as does the ... (Read 97 times)

fahad

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on: Jul 27, 2018
The Moon's lower density indicates it has a smaller concentration of iron in its core, as does the absence of a lunar magnetic field.
 
  Indicate whether the statement is true or false

Question 2

The most luminous objects known in the universe are
 
  A) Seyferts.
  B) quasars.
  C) blazars.
  D) radio lobe galaxies.
  E) giant ellipticals.


johnpizzaz

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

TRUE

Answer to Question 2

B


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