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

Author Question: When strong solar winds are displaced poleward by our magnetic fields, we get A) the Van Allen ... (Read 68 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
on: Jul 27, 2018
When strong solar winds are displaced poleward by our magnetic fields, we get
 
  A) the Van Allen radiation belts.
  B) intense auroral displays.
  C) sunspots.
  D) hurricanes in the tropics.
  E) droughts and dust bowls in the American West.

Question 2

Explain how the shifting spectral lines of spectroscopic binaries let us find their periods.
 
  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

FergA

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

When aligned in our line of sight, there is no radial velocity, and all lines appear single. A quarter of a period later, one is approaching us with its line blue shifted, and the other is receding. Multiply this time span by four, and the two stars are back in the original positions.


jayhills49

  • Member
  • Posts: 559
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Oceanic circulation, which is driven mainly by the prevailing winds, moderates earth's climate. Oceanic circulation, which is driven mainly by the prevailing winds, moderates earth's climate.
Joel Asaph Allen Joel Asaph Allen
Solar-powered vehicle Solar-powered vehicle
Solar Energy Solar Energy
Bergmann’s and Allen’s rules expressed in two rabbit species. (a) A snowshoe hare. (b) A desert-livi Bergmann’s and Allen’s rules expressed in two rabbit species. (a) A snowshoe hare. (b) A desert-livi
Receptive Fields of Color-Sensitive Ganglion Cells Receptive Fields of Color-Sensitive Ganglion Cells
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

For a complete list of videos, visit our video library