Author Question: Higher mass protostars enter the main sequence: A) faster and at a higher luminosity and ... (Read 47 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?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

For a complete list of videos, visit our video library