“but it could be possible if a substorm is going on or the [coronal mass ejection]’s passage trailing end has not passed ...

Stargazers should prepare themselves for an uptick in aurora borealis -- or northern lights -- activity as the current solar cycle nears its peak.

The small group size and entertaining tour leader made for a very special trip. You may like Auroral substorm sparks stunning northern lights visible at mid-latitudes (photos) Northern lights ...

models of substorm processes. His present interests include the use of computer systems and networks to enhance the acquisition, dissemination, and display of spacecraft data.