One of the largest sunspots in the last nine years, labeled AR1944, was seen in early January 2014, as captured by NASA’s Solar Dynamics Observatory.
The polar vortex has exited, but a solar storm may be next on the  agenda for the atmosphere in parts of the U.S.: Sun unleashes massive flare, aurora possible in northern skies

One of the largest sunspots in the last nine years, labeled AR1944, was seen in early January 2014, as captured by NASA’s Solar Dynamics Observatory.

The polar vortex has exited, but a solar storm may be next on the  agenda for the atmosphere in parts of the U.S.: Sun unleashes massive flare, aurora possible in northern skies

Tags: sunspot sun