Tags: Star.

Westerlund 1-26 (also known as Westerlund 1 BKS A and Westerlund 1 BKS AS; sometimes abbreviated as W26 and W1-26; standard abbreviation Wd 1-26) is a red supergiant or hypergiant star within the outskirts of the Westerlund 1 super star cluster. It is one of the largest known stars an extreme red supergiant. It is approximately 1530 solar radii (up to 2544 by some estimates).

Surprise_Cloud_Around_Vast_Star.jpg

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