Terragen - or not?

[RichTwo]

https://photojournal.jpl.nasa.gov/catalog/PIA22097

Terragen or not?  I say not.  Some things look familiar, but not so much.

[Oshyan]

Although the JPL does use Terragen (if I recall correctly), I would say these are not Terragen. That's based mostly on the rough look of the clouds and fairly simplistic atmospheres in most of the examples.

- Oshyan