Facts about Cygnus Constellation
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NASA's Kepler Space Telescope, launched in 2009, pointed continuously at a region within Cygnus constellation to search for exoplanets around distant stars.
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Over 200 planetary nebulae have been catalogued within Cygnus constellation, representing stellar remnants from dead stars that shed their outer layers billions of years ago.
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Kepler's Supernova, which exploded in Cygnus in 1572 and remained visible to naked-eye observers for 16 months, helped revolutionize astronomy by challenging the notion of an immutable celestial sphere.
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Spanning 187.8 square degrees across the night sky, Cygnus constellation ranks as the sixteenth largest constellation by area in the celestial sphere.
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Approximately 5,000 stars are visible to the naked eye within Cygnus constellation's boundaries, making it one of the richest regions of the Milky Way.
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Ancient astronomers named this constellation after a swan because its brightest stars form a distinctive cross pattern visible across 16 degrees of sky.
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Cygnus X-1, located within the constellation, was the first black hole ever confirmed in 1971 when it was detected orbiting a blue supergiant star.
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Albireo, the second brightest star in Cygnus, is a binary star system consisting of an orange giant and blue companion star separated by approximately 34 arcseconds.
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The brightest star Deneb in Cygnus constellation shines at magnitude 1.25 and lies approximately 2,600 light-years from Earth.