Tree root like cracks/ridges

• by mrbrowneye

  What creates these strange tree root like ridges/cracks?

  Posted January 11, 2013 3:02 PM

• by mschwamb scientist, translator

  Nicely spotted. Those are channels. They are carved into the surface of Mars by carbon dioxide gas trapped under the thawing carbon dioxide ice sheet on the south pole of Mars. You can learn more about what these features are here and here.
  Cheers,
  ~Meg

  Posted January 11, 2013 9:43 PM