It looked like the Sun was heading toward a historic lull in activity. That trend flipped in 2008, according to new research. The Sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. […]
September 15, 2025
from NASA https://ift.tt/46XR17q
September 15, 2025
from NASA https://ift.tt/46XR17q
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NASA