« previous next »

Author Question: The image of our galaxy in radio emission from CO, mapping the distribution of molecular clouds, is ... (Read 57 times)

newbem

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Molecular structure of phaeomelanin (A) and eumelanin (B) Molecular structure of phaeomelanin (A) and eumelanin (B)
Distribution and Forms of Precipitation: Snow Distribution and Forms of Precipitation: Snow
Molecular Movement Molecular Movement
Spiral Galaxy Messier 83 Spiral Galaxy Messier 83
Molecular biology assignment Molecular biology assignment
Polar distribution of auxin is driven by asymmetrical positioning of plasma membrane active transpor Polar distribution of auxin is driven by asymmetrical positioning of plasma membrane active transpor
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

For a complete list of videos, visit our video library