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 90 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
Great answer, keep it coming :)

AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Energy of Electron according to Electron Shells Energy of Electron according to Electron Shells
Figure 7.1 shows the rapid decline in the trust of Americans in government since the 1960s. This de Figure 7.1 shows the rapid decline in the trust of Americans in government since the 1960s. This de
Wind turbines: the fastest-growing energy sector Wind turbines: the fastest-growing energy sector
Producer acquiring energy and nutrients from the environment Producer acquiring energy and nutrients from the environment
A Punnett square can be used to derive the F2 ratios in a cross from the F1 generation. A Punnett square can be used to derive the F2 ratios in a cross from the F1 generation.
The number of phenotypic classes in the F2 generation increases as the number of genes controlling t The number of phenotypic classes in the F2 generation increases as the number of genes controlling t
Video: How to find out if a population is evolving?

For a complete list of videos, visit our video library