Spokes in Forward-Scattered Light

Spokes in Forward-Scattered Light

Full-Res GIF (67.1 kB)

Caption:

After passing Saturn, Voyager 2 viewed the B Ring in forward-scattered light. The spokes, seen previously as dark streaks, are now seen as bright streaks from this phase angle. This indicates that the spokes are caused by tiny dust grains, comparable in size to the wavelength of light.