This topic contains a solution. Click here to go to the answer

Author Question: A typical protostar may be several thousand times more luminous than our Sun; where does this energy ... (Read 99 times)

folubunmi

  • Hero Member
  • *****
  • Posts: 524
A typical protostar may be several thousand times more luminous than our Sun; where does this energy come from?
 
  What will be an ideal response?

Question 2

Organic molecules are
 
  A) carbon-based.
  B) silicon-based.
  C) living cells.
  D) found only on Earth.
  E) not found outside our solar system.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Answer to Question 1

From the release of gravitational energy as the protostar shrinks in stages 2 and 3.

Answer to Question 2

A





 

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

For a complete list of videos, visit our video library