where is andromeda???

Straw_Cat

Universal Sandbox looks very interesting: Thanks for the lead.

A couple of other interesting simulator programs are the Mars24 Sunclock, which tells you the real time on Mars (runs on Java), and Stellarium, which is open source 3D planetarium software program. Both are free.

Download locations.

http://www.giss.nasa.gov/tools/mars24/

and:

http://www.stellarium.org/