Assertion: quasar's hole | /r/CapableOf | grow in step
Facets:
Source sentences:
text: These black holes grow in step with the mass of stars in their host galaxy in a way not understood at present.
text: These black holes grow in step with the mass of stars in their host galaxy in a way not understood at present.
text: These black holes grow in step with the mass of stars in their host galaxy in a way not understood at present.