This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Julia set highres . Julia set fractal good name for this image is The praying mantis galaxy From selfwritten tool named Julia dream after the Pink Floyd tune carrying the same title See also thumb left Another highres image from slight diffrent coordinate The page has also got decription of the sampling method used for this image