Assertion: black hole's property | /r/HasProperty | precise
Facets:
Source sentences:
text: In recent decades, much observational evidence has been gathered to support the existence of black holes; there is no debate among astronomers today about whether black holes exist, only regarding their precise properties.
text: In recent decades, much observational evidence has been gathered to support the existence of black holes; there is no debate among astronomers today about whether black holes exist, only regarding their precise properties.