Study measures sun's UV radiation to 'predict' seasons
First-ever 'high-resolution' scan of solar radiation
Cycle's effect on weather 'greater than first thought'
This year's low radiation makes for cold Easterly winds
It's been a lovely Indian summer - but it could come back to bite us.
That's what scientists predict after working out the first ever pattern of activity for the sun.
According to research, the sun runs on an 11-year cycle - and this affects winter weather over the northern hemisphere.