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

Author Question: What information does 21-cm radiation provide about the gas clouds? A) their motion B) their ... (Read 39 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
What information does 21-cm radiation provide about the gas clouds?
 
  A) their motion
  B) their density
  C) their temperature
  D) their distribution
  E) all of the above

Question 2

Complex molecules in the interstellar medium are found
 
  A) only around the supergiant stars like Betelgeuse that make their heavy atoms.
  B) uniformly throughout the disk of the Galaxy.
  C) primarily in the dense dust clouds.
  D) scattered evenly throughout the universe, a product of the Big Bang itself.
  E) on the surfaces of the coolest class K and M stars only.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

E

Answer to Question 2

C





 

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

For a complete list of videos, visit our video library