the spidery white features in this image

• by martianexplorer

  Do we know what they are?

  Posted January 10, 2013 7:58 PM

• by mschwamb scientist, translator in response to martianexplorer's comment.

  Good question. We actually call them Martian "spiders". They are channels carved into the surface of the south pole of Mars by carbon dioxide gas trapped below the thawing carbon dioxide ice sheet in the spring and summer. Learn more here and here.
  Cheers,
  ~Meg

  Posted January 10, 2013 8:02 PM

• by martianexplorer in response to mschwamb's comment.

  Thanks Meg

  Posted January 10, 2013 8:17 PM

• by Dreamsight

  thanks Meg

  Posted January 10, 2013 8:22 PM