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Author Question: Of what is the galactic halo presumed to be composed? What evidence supports this conclusion? ... (Read 57 times)

captainjonesify

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on: Jul 27, 2018
Of what is the galactic halo presumed to be composed? What evidence supports this conclusion?
 
  What will be an ideal response?

Question 2

The NASA lander which deployed the first rover, Sojourner, in 1997 was:
 
  A) Mars Rover.
  B) Global Surveyor.
  C) Viking 2.
  D) South Polar Lander.
  E) Pathfinder.


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lgoldst9

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

The globular clusters are most obvious, but it also has many loose stars of Population II, escaped from their clusters, and a great deal of dark matter, whose true nature is still uncertain; brown dwarfs, black holes, and white dwarfs are all possible candidates.

Answer to Question 2

E


captainjonesify

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Reply #2 on: Jul 27, 2018
Thank you!


lgoldst9

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Reply #3 on: Jul 27, 2018
Always glad to help...


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