Planet Four Talk
by DAVID_WHISSON
Can someone explain these lines. Small fans running NNW with lines of bumps or rocks running diagonally across the image. This is baffling!
Posted January 12, 2013 9:33 PM
by jules
Possible glacial markings. I asked the same thing! Have a look here - and follow the links for more.
Posted January 12, 2013 9:37 PM
