Assertion: pulsar's planet | /r/HasProperty | discovered
Facets:
Source sentences:
text: The first such planet to be discovered was around a millisecond pulsar and was the first extrasolar planet to be confirmed as discovered.
text: The first extrasolar planets to be discovered were orbiting a pulsar.
text: They were both the first extrasolar planets and the first pulsar planets to be discovered; B and C in 1992 and A in 1994.
text: Another additional planet of lower mass orbiting the same pulsar was later discovered.