Assertion: pulsar's period | /r/HasProperty | discovered by collaborator
Facets:
value: at the arecibo radio observatory
type: LOCATION
value: on november
type: TEMPORAL
Source sentences:
text: The period and location of the Crab Nebula pulsar NP 0532 was discovered by Richard Lovelace and collaborators on November 10, 1968, at the Arecibo radio observatory.