Assertion: asterism's star | /r/HasProperty | altair
Facets:
Source sentences:
text: Deneb is one of the three stars of the Summer Triangle, along with the even brighter stars Altair and Vega.
text: In Chinese and Japanese mythology, the stars between Deneb and Albireo separate two lovers, represented by the bright stars Altair and Vega, who are allowed to meet only once a year.
text: The three bright stars that mark the vertices of the Summer Triangle are Altair, Deneb, and Vega, the brightest stars in the constellations
text: Examples of asterisms include the seven bright stars in Ursa Major known as “the Plough” in Europe or “the Big Dipper” in America, as well as “the Summer Triangle”, a large triangle, seen in the summer night sky in the northern hemisphere and composed of the bright stars Altair, Deneb and Vega.