|Trees, Stars, Aurora! |
Have you ever seen an aurora?
Auroras are occurring again with increasing frequency.
With the Sun being
unusually dormant over the past four years, the amount of Sun-induced auroras has been unusually low.
More recently, however,
our Sun has become increasingly active and
exhibiting a greater abundance of
coronal mass ejections.
typically expels charged particles into the Solar System, some of which may trigger
Two weeks ago, beyond trees and before stars, a solar storm precipitated the
above timelapse displays
of picturesque auroras above Ravnastua, Skoganvarre and
Curtains of auroral light, typically green,
energetic particles fall toward the Earth and
air molecules high up in the Earth's atmosphere.
With solar maximum still in the future, there may be even better opportunities to see spectacular
auroras personally over the next few years.