Screaming Penguin - Source Does Matter

05.31.08 -- A view of the ground underneath NASA's Phoenix Mars Lander adds to evidence that descent thrusters dispersed overlying soil and exposed a harder substrate that may be ice.

...

MarsPhoenix: Descent thrusters moved the topsoil during landing, uncovering the ice table. The pic was taken for engineers to check my legs, and voila!

MarsPhoenix: Peter Smith says team has nicknamed the ice area "Holy Cow!" Those were the first words uttered in the ops area when image was received.