What is the largest known star in the universe? It's a red hypergiant.

Star Life and Death – National Radio Astronomy Observatory

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The Size of Our Sun Compared to the Biggest Stars in the Milky Way Galaxy - Owlcation

Space* A red supergiant star, Betelgeuse, is losing its brightness and is unusually dim. The star could explode as a supernova, shining brighter than the full moon! » Severe Weather Europe

What is the biggest star in the universe?

Biggest monster star! And the heaviest stars

What Is The Biggest Star In The Universe?

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What is the biggest star in the Universe?