Assertion: xenon | /r/HasProperty | stored as liquid
Facets:
value: under high pressure
type: LOCATION
value: at near room temperature
type: LOCATION
Source sentences:
text: Xenon is the preferred propellant for ion propulsion of spacecraft because it has low ionization potential per atomic weight and can be stored as a liquid at near room temperature (under high pressure), yet easily evaporated to feed the engine.