June 24, 2009
The trio of bright stars that forms the Summer Triangle dominates the eastern sky on warm June evenings.
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There are few sights in nature more beautiful than the starry summer sky. When the sun goes down and the summer stars come out, three of the first ones you see, high in the northeastern sky, will be the trio of bright stars that forms the corners of an unmistakable asterism called the Summer Triangle. Although it is called the Summer Triangle, it first becomes visible during the early evening in late spring and hangs on in our evening sky until early winter.