Vent holes

• by Kensearch

  This the first example of what looks like vent holes surrounded by ejecta I have come across. But why do the holes appear clean white?

  Posted January 12, 2013 8:24 PM

• by Portyankina scientist

  These are boulders, see here
  Anya

  Posted January 14, 2013 8:19 AM