Assertion: nebula | /r/CapableOf | derive its name
Facets:
Source sentences:
text: The nebula derived its name from its appearance in an 1844 drawing made by Irish astronomer Lord Rosse, who used a 36-inch telescope.
text: The nebula derived its name from its appearance in an 1844 drawing made by Irish astronomer Lord Rosse, who used a 36-inch telescope.