What is the largest discovered star? (by radius)

VY Canis Majoris
V396 Centauri
UY Scuti
Alfa Persei
UY Scuti is a bright red su­per­giant and pul­sat­ing variable star in the con­stel­la­tion Scutum. It is cur­rent­ly the largest known star by radius and is also one of the most luminous of its kind. It has an es­ti­mat­ed radius of 1,708 solar radii (1.188×109 kilo­me­tres; 7.94 as­tro­nom­i­cal units); thus a volume nearly 5 billion times that of the Sun. It is ap­prox­i­mate­ly 2.9 kilo­par­secs (9,500 light-years) from Earth. If placed at the center of the Solar System, its pho­to­sphere would at least engulf the orbit of Jupiter.

Answers distribution

VY Canis Majoris
V396 Centauri
UY Scuti
Alfa Persei
answers
flagGermany
25%
37%
31%
6%
16
flagPoland
31%
31%
24%
11%
1202
flagUnknown
35%
30%
24%
9%
294
flagthe United Kingdom
41%
50%
0%
8%
12

Gender

men26%
women17%
VY Canis Majoris
34%
26%
V396 Centauri
29%
42%
UY Scuti
26%
17%
Alfa Persei
9%
13%

Language versions

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answers
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Wie heißt der größte entdeckte Stern?
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What is the largest discovered star? (by radius)
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Author: Dev
Illustration: Haktarfone
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