Assertion: pulsar | /r/HasProperty | a cloud of gas
Facets:
Source sentences:
text: But then a pulsar was discovered right in the center of the Crab Nebula, a cloud of gas produced by SN 1054, a supernova that was recorded by the Chinese in 1054 (Figure 23.14).
text: But then a pulsar was discovered right in the center of the Crab Nebula, a cloud of gas produced by SN 1054, a supernova that was recorded by the Chinese in 1054 (Figure \(\PageIndex{1}\)).