You could have said this at any point in Google's history. It's almost to the point that all Google stories should be marked dupe.
This "ribbon" escaped detection by two former Voyager spacecraft, and is only now being detected by some new spacecraft that happened to be looking for something different. This "ribbon" is a ribbon by some specific property.
It's amazing, to me, how what we see is influenced to a great extent by what we're looking for. The manifold possibilities the universe presents to us!
If it happens once, it's a bug. If it happens twice, it's a feature. If it happens more than twice, it's a design philosophy.