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

Author Question: Discuss the relationship between young stars and the interstellar medium. What will be an ideal ... (Read 17 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
Discuss the relationship between young stars and the interstellar medium.
 
  What will be an ideal response?

Question 2

You observe a spiral galaxy with a large central bulge and tightly wrapped arms. It would be classified an:
 
  A) Sc.
  B) Sb.
  C) Sa.
  D) SO.
  E) E7.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

briezy

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

Young stars give off ultraviolet radiation, heating the surrounding gas cloud and causing it to glow as an emission nebula. Solar wind from the young stars pushes on the nebula, which can sweep away the gas, but can also cause compression leading to more new star formation.

Answer to Question 2

C




Haya94

  • Member
  • Posts: 558
Reply 2 on: Jul 27, 2018
Excellent


connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library