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UY Scuti (BD-12°5055) is a red supergiant star, located 5,900 light-years away in the constellation Scutum. It is also a pulsating variable star , with a maximum brightness of magnitude 8.29 and a minimum of magnitude 10.56, which is too dim for naked-eye visibility.
English: Size comparison of evolved red supergiant star Stephenson 2-18, extreme red hypergiant star VY Canis Majoris and luminous red supergiant star UY Scuti. Bahasa Indonesia: Perbandingan ukuran bintang super raksasa merah berevolusi Stephenson 2-18, bintang hypergiant merah ekstrim VY Canis Majoris dan bintang super raksasa merah bercahaya ...
Jim Hawke and Jerry Grimes, employees of Amtec Corp, died after an Ammonium perchlorate explosion in a solid rocket fuel test area. [148] 14 March 2011: Launch Pad 39A, US: 1: STS-134: James D. Vanover, a swing-arm contractor for United Space Alliance, fell to his death during preparations for a Space Shuttle mission.
Red supergiants (RSGs) are stars with a supergiant luminosity class (Yerkes class I) and a stellar classification K or M. [1] They are the largest stars in the universe in terms of volume, although they are not the most massive or luminous.
A hypergiant (luminosity class 0 or Ia +) is a very rare type of star that has an extremely high luminosity, mass, size and mass loss because of its extreme stellar winds.The term hypergiant is defined as luminosity class 0 (zero) in the MKK system.
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Sputnik and the Soviet Space Challenge. Gainesville: University Press of Florida. ISBN 978-0-8130-2627-5. Siddiqi, Asif A. (2003b). The Soviet Space Race with Apollo. Gainesville: University Press of Florida. ISBN 978-0-8130-2628-2. Thompson, Neal (2004). Light This Candle: The Life & Times of Alan Shepard—America's First Spaceman.
UY Scuti is truly the king of stars, with candidates including PZ Cassiopeiae, VV Cephei A, VY Canis Majoris, KY Cygni, Westerlund 1-26, WOH G64, and NML Cygni. Nobody know who really is the largest star though, but it is best to say UY Scuti is the one. --Joey P. - THE OFFICIAL (Visit/Talk/Contribs) 05:58, 28 October 2017 (UTC)