geomagnetic storm
Groundbreaking New Maps of the Sun’s Coronal Magnetic Fields
If you enjoyed this summer's display of aurora borealis, thank the Sun's corona. The corona is the Sun's outer layer…
2 months ago
What Was the Carrington Event?
In 1859, the Sun gave off the most powerful solar flare on record. A blast of radiation and particles so…
8 years ago
Incoming! CME On Its Way Toward Earth
As you read this, a huge cloud of charged solar particles is speeding toward our planet, a coronal mass ejection…
12 years ago
Huge Coronal Hole Is Sending Solar Wind Our Way
[/caption] An enormous triangular hole in the Sun's corona was captured earlier today by NASA's Solar Dynamics Observatory, seen above…
13 years ago