Assertion: asterism's star | /r/CapableOf | orbit each other
Facets:
value: with a period of 96.7 days
type: TEMPORAL
value: closely
type: MANNER
value: with a period of 21 years
type: TEMPORAL
Source sentences:
text: Zeta Sagittarii is a binary star composed of two stars that orbit each other with a period of 21 years.
text: The two stars orbit around each other every 5.73 days.
text: The stars orbit each other every five years.
text: Alpheratz is really a binary system composed of two stars closely orbiting each other with a period of 96.7 days.