VY Canis Majoris, This red super-giant star has a radius of 950-1200 times the size of the Sun, and would engulf the orbit of Jupiter if placed in our Solar System. But that’s nothing. The largest known star is VY Canis Majoris; a red hypergiant star in the Canis Major constellation, located about 5,000 light-years from Earth.
VY Canis Majoris Facts
VY Canis Majoris is around 4,000 light years from Earth in the constellation of Canis Major.
It is one of the largest known stars in the Milky Way galaxy.
VY Canis Majoris is a red hypergiant with a radius of around 1,500 times larger than the sun.
Hypergiant stars such as VY Canis Majoris are extremely rare in our galaxy, in fact most stars in the Milky Way are smaller than the sun.
Large stars burn their fuel extremely quickly, as a result they only exist for a few million years, smaller stars like our sun exist for billions of years.
It is estimated that VY Canis Majoris has already ejected around half of its mass, which has surrounded the star in a nebula cloud.
VY Canis Majoris is near the end of its lifespan and is expected to explode as a supernova in the next 100,000 years.