Is that a valley/crater

• by GreedyDave

  How was it formed? It doesn't look like liquid or an impact to my untrained eye. Is it darker because material has gathered in it over time, or because material has been exposed, or other?

  Thoughts please...

  Posted January 8, 2013 11:43 PM

• by Portyankina scientist

  Hi!

  If you are talking about the dark triangle, that this is the fan that we are asking you to mark! Bright stuff around is seasonal CO2 ice. It looks like the fan is in the depression, but we also might be simply tricked by play of colors.

  Anya

  Posted January 9, 2013 12:02 AM

• by GreedyDave

  Haha, thanks

  Posted January 9, 2013 11:02 AM