Deneb
A blue-white supergiant star 1,600 light-years away in the constellation Cygnus. It is the constellation's brightest star and the most-distant bright star visible to the unaided eye. It forms one point of the large Summer Triangle.
A blue-white supergiant star 1,600 light-years away in the constellation Cygnus. It is the constellation's brightest star and the most-distant bright star visible to the unaided eye. It forms one point of the large Summer Triangle.
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