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 23 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?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

For a complete list of videos, visit our video library