What Is The Largest Star In The Universe

Maybe the largest known in the milky way.

These stars is measured using standard one solar radius solar radii which is 695 500km or 432 450 miles or 0 004652 astronomical units au 10. The largest of all in. The largest known star in the universe is uy scuti a hypergiant with a radius around 1 700 times larger than the sun. Vy canis is the largest star in the universe in terms of size.

Our sun technically a yellow dwarf is neither the biggest or the smallest star in the universe. Updated january 10 2020. Stars are immense balls of burning plasma. It is the bright supergiant star currently largest known star in the universe 2 378 704 272 in diameter and volume 4 982 686 912 times that of sun approximately 9 140 light years from earth.

Sun is not included. Betelgeuse or alpha orionis. Hubble space telescope image showing the asymmetric nebula surrounding vy canis majoris which is the central star. This officially put uy scuti in the record books as the largest star topping previous record holders such as betelgeuse vy canis majoris and nml cygni.

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Based on current models of evolution uy. Uy scuti as it stands the title of the largest star in the universe that we know of comes down to two contenders. Some sources still list vy canis majoris as the largest star in the universe. For example uy scuti is currently at the top of the list.

And it s not alone in dwarfing earth s dominant star. Taken on november 6 2013. ε aurigae was incorrectly claimed in 1970 as the largest star with a size between 2 000 r and 3 000 r even though it later turned out not to be an infrared light star but rather a dusk torus surrounding the system. It is located at 1 2 kiloparsecs 3 900 light years away from earth in the constellation of canis major.