What sun is the biggest?
The largest known star in the universe, UY Scuti is a variable hypergiant with a radius around 1,700 times larger than the radius of the sun. To put that in perspective, the volume of almost 5 billion suns could fit inside a sphere the size of UY Scuti.
Join Alexa Answers
Help make Alexa smarter and share your knowledge with the worldLEARN MORE