In the Wide-field Infrared Survey Explorer (WISE) all-sky source catalog there are 76 million mid-infrared point sources that were detected in the first three W
We compare two contrasting X-class flares in terms of magnetic free energy, relative magnetic helicity and decay index of the active regions(ARs) in which they
We propose that grand minima in solar activity are caused by simultaneous fluctuations in the meridional circulation and the Babcock–Leighton mechanism for the