Assertion: asteroid belt's material | /r/HasProperty | mined
Facets:
value: someday
type: TEMPORAL
value: from asteroids
type: LOCATION
Source sentences:
text: Materials that are heavy and expensive to launch from Earth may someday be mined from asteroids and used for space manufacturing and construction.
text: There are a number of materials that could be mined from asteroids, including iron, nickel, titanium for construction, water and oxygen.