Assertion: big dipper asterism | /r/PartOf | the constellation
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Source sentences:
text: The Triangle is not recognized officially as a constellation but instead as an asterism, a prominent pattern or group of stars that typically have a popular name and are composed of stars either within a recognized constellation (such as the Big Dipper asterism belonging to the constellation Ursa Major, the Big Bear) or, in the case of the Triangle, three stars from three different constellations.