Alternate Planets

[Nik]

Hi, found this as link from an exoplanet site...

http://vpl.ipac.caltech.edu/main/

They play 'what if' with planetary atmospheres / geology / suns etc.

Sorry, they don't yet provide a DIY 'wizard'...

 

[NomadicSky]

It is so

Amazing how realistic computer generated images can be

 

[fortyseven]

Google will have a free internet-based program within 5 years.