What is the origin of the parrallel depressions?

Comments and questions about the APOD on the main view screen.
RPMuschick
Asternaut
Posts: 1
Joined: Thu Sep 30, 2004 4:15 pm

What is the origin of the parrallel depressions?

Post by RPMuschick » Fri Oct 01, 2004 2:49 am

Looks like the canals on Mars have been photographed up close! What could be the source of the parrallel depressions? Is there any place where parrallel fault lines are found on Earth?

http://antwrp.gsfc.nasa.gov/apod/ap040930.html