How does solar wind effects Geomagnetic Field?

In summary, these missions are studying the Sun-Earth connection and how it affects Earth's magnetic field.
  • #1
space0
10
1
Solar winds contain plasma, which are charged particles and carry Sun's magnetic field orientation, when those solar wind hits toward Earth, does anyone have any suggestions on how those plasma affects on Earth's magnetic field? and how this energy converts into different forms on Earth?

Does anyone have any suggestions?

Thanks in advance for any suggestions :>
 
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  • #3
Drakkith said:

I have read them, but there is not much details on how plasma particles interact with Earth's magnetic field with more detailed description.

Do you have any suggestions on how plasma with northward polarity interacts with Earth's magnetic field in much more details in physics' issue?

Thanks you very much for any suggestions
 
  • #4
If you want details on this large of a subject, then I think the best "suggestions" we can give are things for you to read. Do you already know plasma physics? If so then it will be easier to learn what you are interested in. If not, what physics do you already know, and at what level?

Anyway, here is an encyclopedia article from a prof. at UCLA, which has had a strong space plasma physics group for a long time:
http://www.atmos.ucla.edu/~larry/EncylopediaArticle/EncyclopediaArticle.pdf

They also have some tutorials that may be useful:
http://www-ssc.igpp.ucla.edu/ssc/tutorial.html

jason
 
  • #5
I would reply later after reading them ...
Thanks everyone very much for suggestions :>
 
  • #6
NASA's THEMIS and ARTEMIS missions are studying space weather and the Sun-Earth electrical connection. Specifically THEMIS studies the electrical and magnetic field components near Earth in our magnetosphere, while ARTEMIS makes these observations from a lunar outpost to see the big picture. Below is a recent publication showing the discovery of two counter-rotating "electrical space hurricanes" generated by a pressure wave in the solar wind, similar to turbulent eddies in water (Kelvin-Helmholtz instabilities).

http://themis.igpp.ucla.edu/nuggets/nuggets_2014/Shi/Shi_14.html

These plasma "hurricanes" are electrically connected to the Earth's magnetic poles, and thus are further evidence of the fundamental (invisible) electrical nature of our planet, surrounded by vast current systems that can affect weather and our technologically-dependent society.

More info, animations, and articles on THEMIS/ARTEMIS youtube page and mission sites:

https://www.youtube.com/user/NASATHEMIS
http://themis.igpp.ucla.edu/
http://artemis.igpp.ucla.edu/
 

1. How does solar wind affect the Earth's magnetic field?

Solar wind is a stream of charged particles that are constantly released by the Sun. When these particles interact with the Earth's magnetic field, they can cause fluctuations and disturbances in the field. This can lead to phenomena such as the aurora borealis and geomagnetic storms.

2. What is the connection between solar wind and the Earth's magnetic field?

The Earth's magnetic field acts as a shield, protecting us from the harmful effects of solar wind. However, when the solar wind is strong, it can compress the Earth's magnetic field and cause it to fluctuate. This can have impacts on our technology and communication systems.

3. How does the strength of solar wind impact the Earth's magnetic field?

The strength of solar wind can greatly affect the Earth's magnetic field. When solar wind is weak, the Earth's magnetic field can expand and provide more protection. However, when solar wind is strong, it can compress the Earth's magnetic field and cause it to weaken, making it easier for particles to enter the Earth's atmosphere.

4. Can solar wind contribute to changes or shifts in the Earth's magnetic poles?

While solar wind can cause temporary disturbances in the Earth's magnetic field, it is not a significant factor in the long-term changes or shifts of the Earth's magnetic poles. These changes are primarily caused by movements in the Earth's molten core.

5. Are there any potential hazards or risks associated with solar wind affecting the Earth's magnetic field?

Solar wind can have some impacts on our technology and communication systems during strong geomagnetic storms. However, the Earth's magnetic field acts as a protective shield, and the effects of solar wind are not considered hazardous to human health. In fact, the aurora borealis, which is caused by solar wind, is a beautiful and harmless natural phenomenon.

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