This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When is/was gravitational contraction an important energy-generation mechanism for the Sun? A) ... (Read 82 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
on: Jul 27, 2018
When is/was gravitational contraction an important energy-generation mechanism for the Sun?
 
  A) only during solar minimum
  B) only during solar maximum
  C) when the Sun was being formed from a collapsing cloud of gas
  D) right after the Sun began fusing hydrogen in its core
  E) when the Sun transports radiation through the convection zone

Question 2

Why did the Moon's internal heat escape more rapidly than Earth's?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zogaridan

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

Because of the Moon's small size, heat could escape more quickly. The Earth's rocky layers act as a layer of insulation, making it harder for the heat to escape.


Medesa

  • Member
  • Posts: 507
Reply 2 on: Jul 27, 2018
Excellent

frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Mechanism of action of antipsychotic drugs: (a) overproduction of dopamine; (b) antipsychotic medica Mechanism of action of antipsychotic drugs: (a) overproduction of dopamine; (b) antipsychotic medica
The traits Mendel used in his experiments, and the results of the F1 and F2 generation crosses. The traits Mendel used in his experiments, and the results of the F1 and F2 generation crosses.
Free Energy Free Energy
It's important to take all your antibiotics It's important to take all your antibiotics
A wastegate is used on the first-generation Duramax diesel to control maximum boost pressure. A wastegate is used on the first-generation Duramax diesel to control maximum boost pressure.
Energy Transfer Energy Transfer
Video: Virtual Tour of the Eye Animation

For a complete list of videos, visit our video library