MadSci Network: Astronomy

Subject: Why does Earth's sun have a magnetic field?

Date: Wed Feb 14 10:58:12 2007
Posted by Erwin
Grade level: grad (science) School: USBR
City: Sacramento State/Province: CA Country: USA
Area of science: Astronomy
ID: 1171475892.As

The consensus among geophysicists seems to be that Earth has a magnetic field
because it has a molten iron core spinning around Earth's axis (the
'geodynamo').  If the sun is mostly hydrogen gas with no iron core, why does it
have a magnetic field?

Re: Why does Earth's sun have a magnetic field?

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