How Big is the Biggest Star in the Universe?

A comparison between the Sun and a hypermassive star. Credit: NASA

So how big is it? According to Fraser at the Universe Today, the largest known star is VY Canis Majoris. This is a massive star, otherwise known as a red hypergiant star and this one sits in the constellation Canis Major, about 5000 light years from Earth. Apparently it is more than 2100 times the size of our Sun, a monster! This star is so big that light takes more than eight hours to cross its circumference. In fact, this star, if placed in the centre of the Solar System, it would reach as far as the orbit of Saturn.

Although VY Canis Majoris is big, it isn’t as big as the biggest star could be. If it was cooler, a similar star could reach over 2600 times the size of our Sun…

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7 thoughts on “How Big is the Biggest Star in the Universe?”

  1. whoa!~!!!!~!!!~!~!!!~!~!~!~!~!~!!~!~!~~!~!~!!~~!!~!~~!!~!~!~!~!~!~!~!!~!!~!~!!~!~!~!~!~!~!~!~!~!~!~!!!thats huuuuuuge on aq stick

  2. I am sure there will be an upcoming newly discovered and will be known as super giant star or biggest star someday. I have now a description and someday i could tell the things to what i see and leave an undying observation or practical saying

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