"It is the global geomagnetic activity index based on 3-hour measurements ... when viewed in extreme ultraviolet and soft X-ray solar images. Like sunspots, they appear darker because they are ...
By historical definition, Solar Cycle 1 occurred between 1755 and 1766, placing the sun 's current cycle in Solar Cycle 25. As of the end of 2024, we are firmly within the solar maximum period.
The National Oceanic and Atmospheric Administration said a strong geomagnetic storm may cause an unusually bright northern ...
Auroral activity is forecast to increase on Christmas Day, with NOAA forecasting a Kp index of five and a viewing line ...
The current solar cycle (solar cycle 25) began in 2019. Fortunately, solar activity is expected to wind down significantly in the next few years, according to Almanac. A return to solar minimum ...
On Christmas Eve, the Parker Solar Probe is set to become the closest spacecraft to the sun when it flies within a few ...