Tiny planets from photographs
Tiny planets from photographs - “All these pictures are 360° panoramas projected to look like small planets.”
The effect is quite impressive. Furthermore, the author provides some great resources, with tools by the names of autopano-sift, hugin, enblend, mathmap, and PTBlender. So, the post processing looks technically demanding, but the final result looks stunningly simplistic.
This link probably via kottke.