Maybe you've come across this on the news today, first asteroid on the Solar System discovered with a ring around it. I created this simple scene for the press release using Terragen.
Here's a video podcast about it
and the full news release if you guys wanna know more about it.
http://www.eso.org/public/news/eso1410/ Cheers
(edit: only the surface was created in Terragen, the other orbital views were created in C4D)
