Betelgeuse (Alpha Orionis) is approximately 1,000 times larger than our Sun, whereas Deneb (Alpha Cygni) is estimated to be only 200-300 times the size of our Sun. Deneb IV was the inhabited fourth planet orbiting the primary Deneb. White dwarfs are the smallest type stars, with a similar size to earth, and with extreme mass. However, the size of Deneb is estimated to be 108 times that of our star, so that if Deneb was at the center of our Solar System its diameter would extent to half as far as the orbit of the Earth. The planet's internal heat generated an abundance of geothermal energy. The mass of these stars can be equal to that of the sun. As a result of strong stellar winds, it … Deneb - White, Hot Supergiant What's in a Name: Arabic for "tail" because it is located in the tail of the Cygnus, the Swan. Deneb, Alpha Cygni, is the brightest star in Cygnus constellation and the most distant of all first magnitude stars.. Deneb is a luminous blue supergiant. It is one of the stars that form the Summer Triangle, along with Altair in Aquila constellation and Vega in Lyra.. Deneb is also the brightest star of the Northern Cross, another prominent summer asterism found in the northern skies. Star type Deneb is a blue-white supergiant of the spectral type A2 Ia. In 2364, Deneb IV was at the edge of "the great unexplored mass of the galaxy". This star, at about 1,500 light-years’ distance, is the most remote (and brightest intrinsically) of the 20 apparently brightest stars. Deneb is a true supergiant, its diameter, calculated from its temperature and luminosity, is 108 times that of the Sun, half the size of Earth's orbit. In 9,800 years, Deneb will be our temporary pole star and within 7 degrees of the north celestial pole due to Earth’s precession. Deneb brightness ranges from a magnitude of 1.338 to a magnitude of 1.273 over its variable period. The star is a pulsating Alpha Cygnus variable type which means that its size changes over time. It shines with an apparent visual magnitude of 1.25 and an absolute magnitude of -8.4 making it approximately 200,000 times more luminous than the Sun. This was the homeworld of the Bandi, a telepathic humanoid species, and the Denebian slime devil. Deneb’s Size and Age in Perspective: If our sun was the size of a marble, the diameter of Deneb would be equal to the size of a a prison cell. Variable Type of Deneb. Not officially a star and not officially a planet, but somewhere in between based the sizes of the stars. The Variable Type is usually named after the first star of that type to be spotted. Deneb, (Arabic: “Tail” [of the Swan, Cygnus]) one of the brightest stars, with an apparent magnitude of 1.25. Brown Dwarf. Brown dwarfs are strange altogether. With an estimated temperature of 8,525 K, it is 196,000 times more luminous than the Sun. 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