Author Question: Higher mass protostars enter the main sequence: A) faster and at a higher luminosity and ... (Read 99 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?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

For a complete list of videos, visit our video library