Keyword Analysis & Research: largest star in the universe

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How big is the biggest star in the whole universe?

UY Scuti: 1,708 ± 192 Solar Radii, the biggest known star in the Universe With a radius of 1,708 ± 192 Solar Radii, UY Scuti is probably the biggest known star. It is first cataloged in 1860, by German astronomers at the Bonn Observatory.

What is the smallest known star in the universe?

As we have yet to catalogue every star in the entire universe, the classification of “smallest star” would be like classifying the smallest lake or the smallest river. That being said, one of the smallest stars known is the Gliese 623b, a star that is one tenth the mass of the sun and 60,000 times less bright.

What is the most powerful star in the universe?

R136a1 only has about 35.4 solar radii, well below the radius of the largest star NML Cygni. The Most Powerful Star. As previously mentioned, R136a1 is a super star and currently holds the title of “most massive” star. It also happens to be the brightest star in the known universe.

Which star has the largest radius?

An article on Universe Today says the largest is VY Canis Majoris (VY CMa), measuring about 1800 times the size of the Sun. A paper by Emily Levesque (University of Hawaii) cautions that VY CMa has a wide range of size estimates, but agrees that the largest stellar radii are about 1500 times the radius of our Sun.

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