<ul data-eligibleForWebStory="true">The Summer Triangle consists of blue-white Vega, distant Deneb, and fast-spinning Altair.Vega, the brightest star in the East in July evenings, is blue-white and located in Lyra.Observing Vega and its constellation, Lyra, reveals interesting features and astronomical significance.Vega is a fast-spinning, middle-aged star with a unique asteroid belt detected around it.