"Gavin Whittaker" wrote in message
...
Richard Dickison writted:
[snip]
I was
watching a film on TV the other night which had a rather nice gas planet
with two ring systems intersecting at an angle of around 30 degrees. Very
impresive, but hardly likely to be stable...

HTH, Gavin

Treasure Planet per chance? Disney always took/take a liberty with the laws
of science....