This topic contains a solution. Click here to go to the answer

Author Question: Of what is the galactic halo presumed to be composed? What evidence supports this conclusion? ... (Read 26 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
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




lgoldst9

  • Sr. Member
  • ****
  • Posts: 372

 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

For a complete list of videos, visit our video library