Assertion: nebula's star | /r/HasProperty | nebulous
Facets:
value: in his book
type: LOCATION
Source sentences:
text: The first recorded observation took place in 150 CE, when Ptolemy noted the presence of five stars in Almagast that appeared nebulous in his book.
text: Around 150 AD, Ptolemy recorded, in books VII–VIII of his Almagest, five stars that appeared nebulous.
text: Around 150 AD, Claudius Ptolemaeus (Ptolemy) recorded, in books VII-VIII of his Almagest, five stars that appeared nebulous.