Author Question: Higher mass protostars enter the main sequence: A) faster and at a higher luminosity and ... (Read 101 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
Higher mass protostars enter the main sequence:
 
  A) faster and at a higher luminosity and temperature.
  B) faster and at a lower luminosity and temperature.
  C) slower and at a higher luminosity and temperature.
  D) slower and at a lower luminosity and temperature.
  E) at the same rate, but at a higher luminosity and temperature.

Question 2

Describe the conditions of matter and radiation when in a state of thermal equilibrium.
 
  What will be an ideal response?



stillxalice

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

A

Answer to Question 2

In thermal equilibrium, matter and energy freely change into one another through pair production and pair annihilation.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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?

People about to have surgery must tell their health care providers about all supplements they take.

For a complete list of videos, visit our video library