Search found 2 matches
- Fri Jul 30, 2004 11:15 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Orientation of planetary surfaces...
- Replies: 3
- Views: 34756
Synthetic images are different.
That's one of those synthetic images where the surface imagery is layered on a topographic map and rendered in a perspective view. They've got a lighting model that's forced on them by the CGI software they're using, and those tend to be relentlessly conventional. I'm talking about the real images f...
- Thu Jul 29, 2004 1:23 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Orientation of planetary surfaces...
- Replies: 3
- Views: 34756
Orientation of planetary surfaces...
Is there something about astronomers and geologists (planetologists?) that makes them expect to see light coming up from beneath when they view a picture? Almost every picture I see of Mars or any other planertary body from orbit seems to be oriented so the illumination is from below, so the craters...