Assertion: boomerang nebula | /r/HasProperty | the coldest object
Facets:
Source sentences:
text: We have already learned about Nebulae in general and also about the Boomerang Nebula – the coldest object in visible universe.
text: The Boomerang Nebula - the coolest place in the Universe?
text: The Boomerang Nebula is a young planetary nebula and the coldest object found in the Universe so far.