Vertical Lines/grooves/ridges on Mars

• by Linda33

  Any thoughts as to cause?

  Posted January 11, 2013 12:18 PM

• by Linda33

  Any thoughts as to cause of the ridges?

  Posted January 11, 2013 12:19 PM

• by Paul_Johnson

  My guesses....wind?
  They look a bit like grooves on a glacier as it moves. Not sure if this CO2 ice is moving/flowing?

  Posted January 11, 2013 12:24 PM

• by Paul_Johnson

  Lots of icy boulders in this pic, they must be rolling in the wind??? Causing grooves?

  Posted January 11, 2013 12:26 PM