« previous next »

Author Question: Stars of lower mass have deeper convection zones outside their cores than stars of higher mass. ... (Read 56 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


komodo7

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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?

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.

Planets and Their Stars Planets and Their Stars
A compression gauge designed for the higher compression rate of a diesel engine should be used when ... A compression gauge designed for the higher compression rate of a diesel engine should be used when ...
Pressure Zones Drive Winds Pressure Zones Drive Winds
Clear the lower leg with long strokes. Start proximal to the ankle, and stroke to the knee and ... Clear the lower leg with long strokes. Start proximal to the ankle, and stroke to the knee and ...
Rising sea levels will affect millions in coastal zones and on islands Rising sea levels will affect millions in coastal zones and on islands
Body Mass Index (IBM) Body Mass Index (IBM)
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library