The Biggest Star In The Universe Is Too Small

R136a1 is the most massive star that astronomers have ever discovered. It's so massive you might think the laws of physics wouldn't allow it. But it turns out that its current mass estimate is actually so low that it threatens our understanding of how the universe got to be where it is, today!

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Sources:
https://authors.library.caltech.edu/5...
https://www.thecrimson.com/article/19...
https://noirlab.edu/public/news/noirl....
https://www.britannica.com/science/an...
https://mavdisk.mnsu.edu/wp5884kt/cou...
https://www.britannica.com/science/Ed...
https://academic.oup.com/mnras/articl...
https://ned.ipac.caltech.edu/level5/E... https://www.space.com/strontium-heavy...
https://www.space.com/41313-most-mass...

Image Sources:
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://www.gettyimages.com/detail/vi...
https://hubblesite.org/contents/media...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://www.eso.org/public/images/eso...
https://en.wikipedia.org/wiki/File:Et...
https://www.nasa.gov/image-feature/su...
https://www.nasa.gov/vision/universe/...
https://www.gettyimages.com/detail/vi...
https://commons.wikimedia.org/wiki/Fi...
https://chandra.harvard.edu/photo/200...
https://www.gettyimages.com/detail/ph...
https://www.eso.org/public/france/ima...
https://phys.org/news/2022-08-astrono...
https://www.gettyimages.com/detail/vi...