Assertion: deuterium's nucleus | /r/HasProperty | stable
Facets:
value: observationally
type: MANNER
Source sentences:
text: If proton decay is true, then all other nuclei that are said to be stable are actually only observationally stable, i.e. they look like they are stable.
text: If proton decay is true, then all other nuclei that are said to be stable are actually only observationally stable, i.e. they look like they are stable.