« previous next »

Author Question: The image of our galaxy in radio emission from CO, mapping the distribution of molecular clouds, is ... (Read 60 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?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Molecular complementarity permits tight protein bonding via multiple noncovalent Molecular complementarity permits tight protein bonding via multiple noncovalent
Molecular Genetics DNA picture matching question Molecular Genetics DNA picture matching question
Molecular Genetics DNA picture matching question Molecular Genetics DNA picture matching question
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Diagrammatic representation of the process of molecular hybridization Diagrammatic representation of the process of molecular hybridization
Global Distribution of Biomes Global Distribution of Biomes
Video: Allergic Rhinitis

For a complete list of videos, visit our video library