Assertion: solar cell's efficiency | /r/CapableOf | move sps material
Facets:
value: at an acceptable cost
type: MANNER
value: to geo
type: TRANSITIVE-OBJECT
value: from leo
type: LOCATION
Source sentences:
text: Much of the material launched need not be delivered to its eventual orbit immediately, which raises the possibility that high efficiency (but slower) engines could move SPS material from LEO to GEO at an acceptable cost.