Assertion: asterism's star | /r/AtLocation | different constellations
Facets:
Source sentences:
text: So while all the stars of the Plough or Big Dipper – perhaps the most famous asterism of all – are within the constellation of Ursa Major, the three stars of the Summer Triangle asterism (see chart at the top) are each in different constellations: Vega (in Lyra), Altair (Aquila) and Deneb (Cygnus).