Assertion: nebula | /r/HasProperty | dense
Facets:
value: really
type: DEGREE
value: extremely
type: DEGREE
Source sentences:
text: nebula is a type of interstellar cloud that is so dense that it obscures the visible wavelengths of light from objects behind it, such as background stars and emission or reflection nebulae.
text: The nebula is really an extremely dense cloud projecting in front of the ionized hydrogen gas.