Origin of the Earth's magnetic field

In summary, the motion of liquid iron in the Earth's core, through a process called magnetic induction, creates magnetic fields that can reinforce the initial magnetic field. This process is essential for creating the Earth's magnetic field, which acts as a protective shield to the planet. There are educational resources available, such as a video from Veritaseum, that explain this process in more detail for those who are interested in learning more.
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timmdeeg
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How can the motion of liquid iron consisting of neutral iron atoms in the earth's core create magnetic fields? What am I missing?
 
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Veritaseum has a secondary video on how the Earth creates its magnetic field:

 
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Thanks, my English isn't good enough to understand that however.
 
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timmdeeg said:
Thanks, my English isn't good enough to understand that however.
Not a problem, A.I. rules. You can turn subtitles on and click pause anytime.
 
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You should cite quotes like you posted so readers can assess the accuracy of the source for themselves.

EDIT Ahh I see the quote is a link to where it came from. However you should still cite it as the url may one day fail and we wont know the source beyond the url.
 
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Just click on the quote.:wink:
 
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timmdeeg said:
Just click on the quote.:wink:
As jedishrfu stated, sometimes websites change their link. So if someone finds this thread a few years from now, if the link doesn't work, then the user can start with the citation.

This particular link was published by the Canadian government, under the natural resources page.
 

Related to Origin of the Earth's magnetic field

1. What is the origin of the Earth's magnetic field?

The Earth's magnetic field is generated by the movement of molten iron in its outer core. This process is known as the geodynamo.

2. How long has the Earth's magnetic field existed?

The Earth's magnetic field has existed for at least 3.45 billion years, as evidenced by ancient rocks that contain magnetic minerals aligned with the Earth's magnetic field at the time of their formation.

3. How does the Earth's magnetic field protect us?

The Earth's magnetic field acts as a shield, deflecting harmful solar wind particles and cosmic rays away from the planet's surface. This protection is essential for maintaining life on Earth.

4. Is the Earth's magnetic field constant?

No, the Earth's magnetic field is not constant. It has been shown to change in both strength and direction over time, and can even reverse completely, with the north and south magnetic poles swapping positions.

5. How do scientists study the Earth's magnetic field?

Scientists study the Earth's magnetic field using a variety of methods, including satellite measurements, ground-based observatories, and geological studies of ancient rocks. These methods help us understand how the magnetic field has changed over time and its role in shaping the Earth's history.

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