Assertion: nebula's star | /r/HasProperty | responsible for the nebula’s glow
Facets:
Source sentences:
text: The star has ejected its material and is now responsible for the nebula’s glow.
text: The hot young stars in it are responsible for the nebula’s glow.
text: The Orion Nebula is a place of massive star formation and one of the most studied deep sky objects in our vicinity as it allows astronomers to study the process of stars forming from clouds of dust and gas and the photo-ionizing effects of massive young stars that are responsible for the nebula’s glow.