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by Jim Bignell
Fri Oct 28, 2005 11:12 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: 4,500 Kilometers Above Dione
Replies: 16
Views: 5249

Lines on Dione

In the picture of Dione posted 26 October 2005, there appear to be many fine lines running about 355 degrees from bottom to top. Are they caused by the photographic process or are they actual lines on the surface? If surface lines, is there a hypothesis as to their cause (origin)?