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Author Question: Because of its high mean density and magnetic field, Mercury's large core must be made chiefly of ... (Read 21 times)

azncindy619

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on: Jul 27, 2018
Because of its high mean density and magnetic field, Mercury's large core must be made chiefly of ________.
 
  Fill in the blank(s) with correct word

Question 2

Binary black holes have much higher masses than their white dwarf and neutron star counterparts, which should lead to a much stronger emission of gravitational waves.
 
  What is the most reasonable explanation for why we have not yet observed gravitational waves from black-hole binaries? A) Black hole binaries are very rare, and wave detection is difficult.
  B) The waves disappear into the black hole.
  C) The waves must be coming from very far away and haven't reached us yet.
  D) Our current theories must be wrong.


Ashley I

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

iron

Answer to Question 2

A


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