Post
by Empeda » Wed Oct 12, 2005 8:05 am
I suppose it would be a gradually cooling = gradual cracking - not like jsut smashing an ice cube.
I know what you're saying though - they do look more like channels than cracks, but then I'm no planetary expert.
![Sad :(](./images/smilies/icon_sad.gif)
I'm an Astrophysics Graduate from Keele University, England - doesn't mean I know anything but I might be able to help!