re: Indeed
Is this the stuff they're calling "mud that can't be mud?"
It's sure interesting whatever it is. And Mars is the Planet of Mimicry. Much of the surface looks familiar. Yet very little is as it at first seems to be.
So is this "mud"? How might mud have formed recently on the surface of Gusev.
Here's what Squyres said:
The material was mashed and clumped, like something moist and viscous, and was broken away in pieces at some spots. One explanation, he [Squyres] speculated, might be that moisture had percolated from below the surface, leaving a residue of salt that acted as cement.
So my next question is: what's the source of the "moisture?"
I think we're gonna have a real good time!
Cheers, BFelix