Assertion: terrestrial planet's crust | /r/CapableOf | average 40 km
Facets:
value: in thickness
type: OTHER
Source sentences:
text: Compared to Earth’s crust – which averages 40 km (25 mi) in thickness – the average thickness of Mars’ crust is about 50 km (31 mi), with a maximum thickness of 125 km (78 mi).