![Saturn's rings as seen by the Voyager 2 spacecraft, as it passed within 103,000 km (64,000 miles) of the outermost ring, the F ring ( bottom). Above the F ring is a gap caused by the orbit of a small satellite. Following are three sections of the ring system visible from Earth[emdash]the A ring, Cassini division, and B ring. In the background is the fainter C ring.](https://cdn.britannica.com/88/21188-050-550FA514/Saturn-rings-spacecraft-Voyager-2-ring-F.jpg)
B ring
astronomy
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Saturn’s ring system
- In Saturn: The ring system
The B ring is the brightest, thickest, and broadest of the rings. It extends from 1.52 to 1.95 Saturn radii and has optical depths between 0.4 and 2.5, the precise values dependent on both distance from Saturn and wavelength of light. (Saturn’s equatorial radius is 60,268…
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