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The biggest and brightest star we know of is S Doradus. It is a "hypergiant", and is so enormously bright that it can be seen with the naked eye - EVEN THOUGH IT IS IN ANOTHER GALAXY.

S Doradus is burning its nuclear fuel so quickly that it cannot prevent exploding as a supernova within the next couple of million years. In fact, it may ALREADY have gone supernova- but since it is 180,000 light years away, we may not know it for a hundred thousand years or more, when the light finally makes its way here.

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Q: What is the biggest star that astranomers know of from biggest to smallest?
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Is sun the smalest or biggest star?

The sun is neither the smallest or the biggest star. Our sun is medium sized star.


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The biggest star that we know of is called: VY Canis Majoris at 2,100 times the size of our Sun. And the smallest star that we know of is called: OGLE-TR-122b at 0.12 solar radii (that's 167,000 km).


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The smallest star is called: OGLE-TR-122b. It is almost as big as Jupiter. Stars can be quite big. The biggest star in the galaxy is called: VY Canis Majoris. That hypergiant star is way to big. The sun is invisible compared to it. 7 quadrillion Earths' can fit in the VY Canis Majoris.


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We will never know the largest star in the Universe. The biggest star in our Galaxy is VY Canis Majoris.


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What are all the stars in order from smallest to largest?

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