What is the biggest known star in the universe?
system
What is the biggest known star in the universe?
user
The biggest star in the universe that we know of is the UY Scuti.  It has a radius that is 1700 times bigger than the sun, meaning about 5 billion suns can fit inside.
assistant
<|system|>
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<|user|>
What is the biggest known star in the universe?</s>
<|assistant|>
The biggest star in the universe that we know of is the UY Scuti.  It has a radius that is 1700 times bigger than the sun, meaning about 5 billion suns can fit inside.</s>
