Assertion: nebula's gas | /r/HasProperty | blown by energetic stars
Facets:
value: out of the region
type: LOCATION
Source sentences:
text: The pinkish glow in almost all images of this region is caused by emissions from heated and ionized hydrogen gas, while the streaks in the background are caused by magnetic fields arranging gas being blown out of the region by energetic stars into lines that correspond to the magnetic fields.