Top Ten Largest Stars
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Stephenson 2-18
Also known as RSGC2-01, Stephenson 2-18 is a red hypergiant star and the largest star ever discovered. Oh, sorry guys i did not know that.
There is no proof it's the largest star.
This was an estimate based off of an unreliable calculation of its temperature and luminosity.
And WOH G64 turned out to be much smaller than initially expected.
VY Canis Majoris is the largest with a well characterized size.
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WOH G64
WOH G64 was discovered recently in 2024. WOH G64 is a red supergiant star.
Recent analysis proved it to be only half as large as initially thought.
It is also the largest member of a binary system,
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VY Canis Majoris
VY Canis Majoris is a red supergiant star.
This is the largest star we've ever verified with good calculation.
It's around 1,420 +/- 120 times as big as our Sun.
It's actually a red hypergiant star.
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RW Cephei
RW Cephei is a yellow hypergiant star.
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V354 Cephei
V354 Cephei is a red supergiant star.
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KY Cygni
KY Cygni is a red supergiant star.
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MU Cephei
MU Cephei is a red supergiant star.
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Betelgeuse
Betelgeuse is about to have a supernova soon. Betelgeuse is a red supergiant star.
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Polaris
It's Polaris A.
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Aldebaren
It's Aldebaran A.
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Our Sun
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Alpha Centauri A
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UY Scuti
UY Scuti used to be at number 2 but scientists found that it's way smaller than they thought. UY Scuti is a red supergiant star.
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Pistol Star
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Deimos
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Rigel
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R136A1
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Arcturus
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Pollux
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Vega
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Serious A
It's actually Sirius A.
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Antares
Antares is a red supergiant.