Assertion: black hole's diameter | /r/HasProperty | to exceed that of the sun
Facets:
Source sentences:
text: John Michell (1724–1793): “If the semi-diameter of a sphere of the same density as the Sun were to exceed that of the Sun in the proportion of 500 to 1, a body falling from an infinite height towards it would have acquired at its surface greater velocity than that of light, and consequently..all light emitted from such a body would be made to return towards it by its own proper gravity.