[Clara Lou]

None of the permafrost that I ever saw, including what I lived on top of, was white like that. [I'm not saying that it couldn't be-- just that I never saw any white like that.]

[Dog]

Remember this isn't earth we are looking at .....this is a different world.

Amazing!

[Prince Charles]

It's probably the same material exposed on the crater sides... but it would be neat if they did find H2O so close at hand!