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VLT Spots Largest Yellow Hypergiant Star

12 Mar 2014, 11:00 UTC
VLT Spots Largest Yellow Hypergiant Star Credit: ESO

ESO’s Very Large Telescope Interferometer has revealed the largest yellow star — and one of the ten largest stars found so far. This hypergiant has been found to measure more than 1300 times the diameter of the Sun, and to be part of a double star system, with the second component so close that it is in contact with the main star. Observations spanning over sixty years, some from amateur observers, also indicate that this rare and remarkable object is changing very rapidly and has been caught during a very brief phase of its life.

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