Assertion: black hole | /r/CapableOf | indicate with the asterisk
Facets:
value: at the end
type: LOCATION
Source sentences:
text: Located at the heart of the galaxy Messier 87 (M87), the black hole in the image is generally called "M87's black hole," or "M87*," with the asterisk at the end indicating that it's the center of the galaxy, experts told Live Science.