Assertion: pulsar's planet | /r/HasProperty | orbiting in such a system
Facets:
Source sentences:
text: Theonly planet known to be orbiting in such a system was detected in 1992 — until now."The pulsar was found in December 2009," lead scientist Matthew Bailes of Swinburne University of Technology in Melbourne, Australia, told SPACE.com via email."We've been on the trail of the companion ever since.