Our planet’s magnetic field is in a constant state of change, say researchers who are beginning to understand how it behaves and why.
https://www.nasa.gov/vision/earth/lookingatearth/29dec_magneticfield.html
Our planet’s magnetic field is in a constant state of change, say researchers who are beginning to understand how it behaves and why.
https://www.nasa.gov/vision/earth/lookingatearth/29dec_magneticfield.html