On Mar 29, 11:08 pm, "James Vincent"
wrote:
On Mar 29, 11:05 pm, "James Vincent"

wrote:
saturns rings are closing as these pictures showhttp://www,jimsastro.com
,in 2009 the rings will be edge on to us and almost invisible.
regards jim vincent

trywww.jimsastro.com

The reason for the rings closing is due to the orbital paths of Earth
and Saturn -

http://www.news.com.au/heraldsun/sto...011680,00.html

It is customary to describe the cause as variable inclination ,as in
that article above,however a more satisfactory approach involves joint
orbits with a common motion around the central Sun where the change in
orientation generates a different view of the other planet.