Assertion: mercury's surface | /r/HasProperty | cratered
Facets:
value: more heavily
type: DEGREE
value: quite
type: DEGREE
Source sentences:
text: Mercury's outer surface is quite cratered and, like the moon, is covered in fine soil.
text: New images from MESSENGER show that Mercury's surface is more homogeneous, ancient, and more heavily cratered, unlike the surfaces of the Moon and Mars.