Assertion: nebula's star | /r/LocatedNear | ionized region of gas
Facets:
Source sentences:
text: It has a hot central star surrounded by an ionized region of gas; external to which is the remnant stellar envelope made up of molecules and microscopic dust particles.
text: It has a hot central star surrounded by an ionized region of gas; external to which is the remnant stellar envelope made up of molecules and microscopic dust particles.
text: It has a hot central star surrounded by an ionized region of gas; external to which is the remnant stellar envelope made up of molecules and microscopic dust particles.