Assertion: nebula | /r/RelatedTo | the star merope
Facets:
value: in the pleiades
type: LOCATION
Source sentences:
text: Analyzing the spectrum of the nebula associated with the star Merope in the Pleiades, Vesto Slipher concluded in 1912 that the source of its light is most likely the star itself, and that the nebula reflects light from the star (and that of the star Alcyone).