Assertion: nebula's star | /r/CapableOf | form within the nebula
Facets:
Source sentences:
text: Astronomers know that stars are forming within the nebula.
text: In some nebulae, stars form out of large clouds of gas and dust; once some stars have formed inside the cloud, their light illuminates the cloud, making it visible to us.
text: There are often a number of stars forming in the same nebula.
text: What you see is the hot hydrogen gas that is illuminated when its particles are excited by the hottest of the stars that have just formed within the nebula.