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Westerlund 1-26
Westerlund 1-26 or Wd 1-26 is a red supergiant within the outskirts of the Westerlund 1 super star cluster. It is one of the List of largest known stars, largest known stars discovered so far although its radius is uncertain but is calculated to be , with a possible but very unlikely upper estimate of , corresponding to a volume between 1.58 and 16 billion times bigger than the Sun. Assuming the upper estimate is correct, if placed at the center of the Solar System, its photosphere would engulf the orbit of Jupiter. Discovery Westerlund 1 was discovered by Bengt Westerlund in 1961 during an infrared survey in the Zone of Avoidance of the sky, and described as "a heavily reddened cluster in Ara". The spectral types of the component stars could not be determined at the time except for the brightest star which was tentatively considered type M. In 1969, Jan Borgman, Borgman, Kornneef, and Slingerland conducted a photometric survey of the cluster and assigned letters to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surprise Cloud Around Vast Star-inset
Surprise (or, rarely, surprize) may refer to: * Surprise (emotion), a brief emotional state experienced as the result of an unexpected significant event Places * Surprise, Arizona * Surprise, Indiana * Surprise, Nebraska * Surprise, New York * Surprise Valley (other) Arts and entertainment * The Surprise (Watteau), ''The Surprise'' (Watteau), a c. 1718 painting by Antoine Watteau Film and television * Surprise (1991 film), ''Surprise'' (1991 film), a short by Pixar * Surprise! (film), ''Surprise!'' (film), a 1995 short by Veit Helmer * Surprise (2015 film), ''Surprise'' (2015 film), a Chinese film directed by Show Joy * The Surprise (film), ''The Surprise'' (film), a Dutch film directed by Mike van Diem * Surprise (Buffy the Vampire Slayer), "Surprise" (''Buffy the Vampire Slayer''), a television episode * Surprise! (Dexter's Laboratory), "Surprise!" (''Dexter's Laboratory''), a television episode * Surprise (The 7D), "Surprise" (''The 7D''), a television episode * Sur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
