Assertion: black hole | /r/HasProperty | difference
Facets:
Source sentences:
text: Black holes are similar in many respects to the “dark stars” predicted by Michell, but there are some differences because our understanding of physics has improved since Michell’s time.
text: A vacuum cleaner and a black hole are very similar but there is only one difference, a vacuum cleaner uses suction power to pull things into it.