What was the biggest sun?
The largest star that we know of is called VY Canis Majoris it's a long way from Earth between 3,900 and 5,000 light years. It's so big if it was the Sun in our solar system its surface would extend past Jupiter.
VY Canis Majoris (also known as VY CMa) is a red hypergiant star located in the constellation Canis Major. With a size of 2600 solar radii, it is the largest known star and also one of the most luminous. This is about 1,420 times that of our own Sun.
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