Author Question: The image of our galaxy in radio emission from CO, mapping the distribution of molecular clouds, is ... (Read 68 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
The image of our galaxy in radio emission from CO, mapping the distribution of molecular clouds, is closest to the image of our galaxy in
 
  A) 21-cm-line radio emission from atomic hydrogen.
  B) visible light, showing the edges of supernova bubbles.
  C) visible light, which is closest to how the night sky appears from Earth.
  D) X-rays from hot gas bubbles in the disk.
  E) infrared emission from interstellar dust grains.

Question 2

The Schwartzschild radius for a 12 solar mass star is
 
  A) 4 km.
  B) 15 km.
  C) 36 km.
  D) 100 km.
  E) 3000 km.



jgranad15

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

E

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library