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'Spoke season' has begun in Saturn's rings — and it won't happen again for 14 years
'Spoke season' has begun in Saturn's rings — and it won't happen again for 14 years,The Hubble Space Telescope has captured the first signs of "spoke season", the appearance of mysterious spokes — or in this case blobs — in Saturn's rings. So what causes them?

'Spoke season' has begun in Saturn's rings — and it won't happen again for 14 years

The Hubble Space Telescope has captured the first signs of "spoke season", the appearance of mysterious spokes — or in this case blobs — in Saturn's rings. So what causes them?