the mars talk

• by bonny360

  The big bloges of black look awfully weird and what makes thecolour

  Posted January 9, 2013 7:14 PM

• by Portyankina scientist

  Blue color in HiRISE images comes from ices: water or CO2 ice. In this case dark fans have a bit of fresh CO2 crystals that are either 1) got exposed while dark dust sinks through CO2 ice layer or 2) recently condensed on top of dust. We still do not know which one is the right answer.
  Anya

  Posted January 9, 2013 8:11 PM