Author Question: Stars of lower mass have deeper convection zones outside their cores than stars of higher mass. ... (Read 27 times)

fox

  • Hero Member
  • *****
  • Posts: 540
Stars of lower mass have deeper convection zones outside their cores than stars of higher mass.
 
  Indicate whether the statement is true or false

Question 2

In the evolution of massive stars, what is the significance of the temperature 600 million K?
 
  A) It is the temperature at which helium fuses into carbon.
  B) It is the temperature needed for carbon fusing into heavier elements.
  C) It is the main sequence core temperature which makes massive stars so bright.
  D) It is the temperature needed for helium burning into boron.
  E) It is the final temperature reached during their evolution.



komodo7

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

TRUE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

fox

  • Hero Member
  • *****
  • Posts: 540
Both answers were spot on, thank you once again



komodo7

  • Sr. Member
  • ****
  • Posts: 322

 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Medication errors are three times higher among children and infants than with adults.

For a complete list of videos, visit our video library