When particles from @NASASun meet @NASAEarth, sparks really fly. Yesterday a coronal mass ejection – particles ejected from the Sun – reached Earth's magnetic field, leading to spectacular auroras. Did you catch them? More about these geomagnetic storms: https://go.nasa.gov/3HaVKJg #NASASolarSystem
On Jan. 22, 2012, the Sun erupted with a solar flare, a coronal mass ejection, and a burst of highly energetic protons known as solar energetic particles.
Aviva Gary
in reply to NASA • • •