Stars in the Galactic disk came billions of years before stars in ...

[newbem]

Stars in the Galactic disk came billions of years before stars in the Galactic halo.
 
  Indicate whether the statement is true or false

Question 2

Which of the following best sums up current scientific thinking about the nature of dark matter?
 
  A) Most dark matter probably consists of weakly interacting particles of a type that we have not yet identified.
  B) Dark matter consists 90 of neutrinos and 10 of WIMPs.
  C) There is no longer any doubt that dark matter is made mostly of WIMPs.
  D) Dark matter probably does not really exist, and rather indicates a fundamental problem in our understanding of gravity.

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Answer to Question 1

FALSE

Answer to Question 2

A

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