VY Canis Majoris: Largest Star in the Universe (Fact of the Day)
Size of VY Canis Majoris compared to our Sun
The largest star yet discovered in the Universe is VY Canis Majoris (VY CMa). It is a red hypergiant star located in the constellation of Canis Major. It is about 2000 times the size of our Sun with a diameter of 3,063,500,000,000m. If this star replaced our Sun in the Solar system, it would extend up to Saturn. It is about 4,900 light years away from Earth. The surface temperature of the star is comparatively cooler than our Sun with 3,000K compared to our Sun's 5,800K.