subsurface
suhb sur fuhs
- a beneath the surface
subsurface materials of the moon
- Chocolate-brown, oily, bubbling with subsurface gases, it oozes rather than flows.
- To Kuiper, this indicates that the subsurface was once in a fluid or plastic state, and that it solidified, causing the crater floor to level off.
- Mars too could be home to similarly hearty subsurface life forms, as could two of Jupiter's other moons, Ganymede and Callisto.