NextPrevious

Weather in Space

Sunspots and Solar Activity

What is a geomagnetic storm?

A geomagnetic storm is the term used for a strong increase in solar wind activity—including intense X-rays—that affects the Earth’s magnetic field.



Close

This is a web preview of the "The Handy Weather Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App