Assertion: quasar's hole | /r/HasProperty | formed
Facets:
value: from super massive stars
type: OTHER
Source sentences:
text: Black holes are formed from the cores of super massive stars and can best be described as regions of space where so much mass is concentrated that nothing, not even light, can escape the gravitational pull.
text: Black holes are actually formed from super massive stars whose mass measures at least ten times that of our Sun.
text: Upon contraction of a rotating body, the gravitational field, according to Einstein’s theory, differs from the field of a nonrotating body, but the conclusion that a black hole is formed remains valid.