UY Scuti is known as the largest known star in our galaxy. It is one of the most massive ever discovered. UY Scuti can accommodate more than 5 billion suns within. Despite its immense dimensions, UY Scuti is just 10 times the sun’s mass and shines 100,000 times as brightly. Followed by VY Canis Majoris, RW Cephei, and V345 Cephei.
Top-10 Biggest Stars in the Universe
UY Scuti is the biggest star in the universe, followed by VY Canis Majoris, RW Cephei, and V345 Cephei. Here, you can check the list of top-10 biggest stars in the universe:
| S.no. | Star Name | Constellation | Distance (light year) | Diameter (solar radii) |
| 1. | UY Scuti | Scutum | 5,900 | 1,700 |
| 2. | VY Canis Majoris | Canis Majoris | 3,900 | >1,500 |
| 3. | RW Cephei | Cepheus | 3,500 | 1,530 |
| 4. | V354 Cephei | Cepheus | 8,900 | 1,520 |
| 5. | KY Cygni | Cygnus | 5,000 | 1,430 |
| 6. | Mu Cephei | Cepheus | 2,838 | 1,200 |
| 7. | VV Cephei A | Cepheus | 5,000 | 1,050 |
| 8. | KW Sagittarii | Sagittarius | 6,200 | 1,090 |
| 9. | Betelgeuse | Orion | 640 | 887 |
| 10. | Antares | Scorpius | 550 | 832 |
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FAQs
Which is the largest star in the Universe?
UY Scuti holds the title of the biggest star in the universe with a diameter of 1,700 solar radii.
Name the top-5 biggest stars in the universe.
The top 5 biggest stars in the universe include UY Scuti, VY Canis Majoris, RW Cephei, V354 Cephei, and KY Cygni.