Assertion: supermassive black hole | /r/CapableOf | orbit each other
Facets:
value: closely
type: MANNER
value: generally
type: MANNER
Source sentences:
text: Astronomers are able to figure out – with the help of Doppler shift – that binary supermassive black holes should generally orbit each other at speeds of around 3,800 kilometres per second –
text: In late 2017, scientists unexpectedly found two supermassive black holes closely orbiting each other.
text: The two supermassive black holes are orbiting each other, and at the same time, each is exerting its own pull on the stars around it.