A story is in the news today about the European Southern Observatory (ESO) having discovered a star that is 260 times as massive as the Sun, exceeding what was thought to have been the maximum size limit of 150 solar masses for stars. It is the largest star ever observed. Accompanying the article is this startling image, which is an artist’s rendition of the comparative sizes of “R136a1” with other more standard-sized stars:
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