Look up the earth material with the closest density. It's a type of cheese,and yes, the sound will propigate through Christmas. Wtf? Firefox I said Cheese. . (M

Look up the earth material with the closest density. It's a type of cheese,and yes, the sound will propigate through Christmas. Wtf? Firefox I said Cheese. . (Myth) Actually the closest rock is silicate basalt. Sharp and dusty. What if we had sticky landing pads? And literally glued the probe to the surface? ( No. You would either have to find a rock or you would simply collect dust. ) There are many brilliant ideas here.