'Solar clock' could predict rhythms of dangerous weather in the sun's cycle
For 400 years sunspots have been used to measure the sun's cycle, but a newly suggested 'circle of fifths' system could predict dangerous and violent solar events years in advance.
TroibNews 
For 400 years sunspots have been used to measure the sun's cycle, but a newly suggested 'circle of fifths' system could predict dangerous and violent solar events years in advance.
