KY Cygni

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Sizes of Betelgeuse and KY Cygni

KY Cygni is a red star in the Cygnus constellation.[1] It is one of the largest stars known[2] and with a radius about 1,420 R (6.6 au). If it was placed at the center of the Solar System, it would extend past the orbit of Jupiter (or Saturn). It is also one of the most luminous stars, with about 300,000 or more times the Sun's luminosity. It is about 5,000 light-years away.

References[change | change source]

  1. "KY Cygni". Universe Guide. Retrieved 9 July 2018.
  2. "Supergiants". ScienceDailly. Retrieved 9 July 2018.