Assertion: nebula's layer | /r/HasProperty | outer
Facets:
Source sentences:
text: About one light-year across, the nebula is composed of outer layers expelled from a dying, once sun-like star.
text: The nebula contains two stars, a 10th magnitude star and a 16th magnitude white dwarf which has blown off its outer layers and whose ultraviolet radiation makes the nebula glow.
text: The Saturn Nebula was originally a low-mass star, which expanded into a red giant at the end of its life and began to shed its outer layers.
text: The Saturn nebula was originally a low-mass star, which expanded into a red giant at the end of its life and began to shed its outer layers.