Add Yahoo as a preferred source to see more of our stories on Google. Another space weather feature, coronal mass ejections (shown above) send plasma and magnetic field material from the sun's corona ...

Another space weather feature, coronal mass ejections (shown above) send plasma and magnetic field material from the sun's corona into space and can trigger geomagnetic storms when they hit Earth.

In October 1989, a blast from the sun flung out a stream of super-powered protons. This solar storm lasted for days and forced astronauts working in low-Earth orbit, aboard NASA’s Atlantis space ...