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What rating is given to the largest stars in the universe?



  Artwork that compares the size of the sun with a super giant.
Philip Park / Wikimedia

Answer: Super Giant

Stars are big, there is no doubt about that. But even under the stars there are stars that are so huge that their size defies imagination (and extends our understanding of astrophysics in the process). Let's talk about how big the biggest stars are, let's talk about our own modest sun.

The sun is formally a G-type main sequence star and informally a yellow dwarf. It is not particularly large by cosmic standards, but even then it is huge compared to the earth. You could pack 1

.3 million earths in the space occupied by our modestly big sun.

The largest stars in the universe are known as & # 39; super giants & # 39; and the largest of such famous stars is a red super giant named UY Scuti. First observed in 1860, further observations and calculations have determined that UY Scuti is amazingly large in volume and is currently the leading candidate for the largest observed star (as well as one of the most luminous red super giants).

How big is UY Scuti? The estimated volume is five billion times that of the sun and if we were to replicate the wrapping-in-earth experiment with UY Scuti, it would contain approximately 6.6 quadrillion earths. It is such a big star that if you dropped it in the same place as our sun, the photosphere would extend just beyond the orbit of Jupiter.


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