Assertion: decay | /r/ObjectUse | used on small scale
Facets:
value: to power space missions
type: PURPOSE
value: relatively
type: DEGREE
value: to experiments
type: PURPOSE
Source sentences:
text: Radioactive decay has been used on a relatively small scale (few kW), mostly to power space missions and experiments by using radioisotope thermoelectric generators such as those developed at Idaho National Laboratory.