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

Author Question: Why does the Moon lack a true atmosphere? What will be an ideal ... (Read 41 times)

Starlight

  • Hero Member
  • *****
  • Posts: 567
on: Jul 27, 2018
Why does the Moon lack a true atmosphere?
 
  What will be an ideal response?

Question 2

If the density of the universe is at the critical density, this means that:
 
  A) the universe is expanding at a rate equal to the escape speed of the universe.
  B) the universe is expanding at a rate less than the escape speed of the universe.
  C) the universe is expanding at a rate greater than the escape speed of the universe.
  D) the universe is expanding at a rate equal to the speed of light.
  E) the universe is expanding at a rate greater than the speed of light.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 27, 2018
Answer to Question 1

Its atmosphere escaped into space due to the low surface gravity of the Moon, although there is atenuous atmosphere of magnesium, potassium, and sodium kicked up by the solar wind.

Answer to Question 2

A


Starlight

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 27, 2018
Thanks


Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Schematic of the Earth–Moon system (without a consistent scale) Schematic of the Earth–Moon system (without a consistent scale)
Solar EM Radiation Penetration into Earth's Atmosphere Solar EM Radiation Penetration into Earth's Atmosphere
Variable Gases of the Atmosphere Variable Gases of the Atmosphere
Weather maps: Pictures of the atmosphere Weather maps: Pictures of the atmosphere
A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ... A 2.10-kg hammer is transported to the Moon. The radius of the Moon is 1.74 × 106 m, its mass ...
Alex Baker, Sahara Moon – Clocks Alex Baker, Sahara Moon – Clocks
Video: Summation - defined, spatial, temporal & AP generation or not

For a complete list of videos, visit our video library