Cygnus
About Cygnus
The Swan, also called the Northern Cross. Deneb is one of the vertices of the Summer Triangle. Deneb is one of the most luminous stars known, about 200,000 times brighter than the Sun. The North America Nebula resembles the continent in shape. Cygnus X-1 was the first confirmed black hole, a binary system with a supergiant star orbiting an invisible companion. Kepler observed this constellation searching for exoplanets.
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