The current cycle, solar cycle 25, began in 2019 ... just as special Solar flares are powerful bursts of electromagnetic radiation that result from magnetic disturbances on the sun.

VOLUME IV. of the Annals of the Astrophysical Observatory of the Smithsonian Institution contains the investigations on solar radiation made by the director, Prof. C. G. Abbot, assisted by F.

Solar flares are massive bursts of radiation from the electromagnetic ... to its solar maximum – the most active period during its cycle – we can expect more solar fireworks.

Chinese scientists, in collaboration with several international research institutions, have led the construction of a high-precision surface solar radiation monitoring system on a near-global scale.