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Sun vs VY Canis Majoris size comparison



Size comparison between the following two stars: VY Canis Majoris and the Sun.

VY Canis Majoris is a red hypergiant located in the constellation Canis Major, 3910 light years from Earth. Its weight is 17 solar masses, its radius is 1420 times greater than that of our star. Its luminosity is 350,000 times that of the Sun. The Sun is too small to be visible in the visual comparison here.

VY Canis Majoris
VY Canis Majoris


Object Sun VY Canis Majoris
TypeStar, yellow dwarfStar, red supergiant
Age4.6 billion years8.2 million years
Diameter1,392,684 km1,975,788,000 km
Mean radius696,342 km987,894,000 km
Mass1.98 × 1030 kg3.4 × 1030 kg
Surface gravity274.4 m/s²0.006 m/s²
Circumference4.3 million km1.9 billion km
Surface area6.09 × 1012 km21.22 × 1019 km2
Volume1.41 × 1018 km34 × 1027 km3
Average orbital speed1.99 km/s5 km/s
Atmosphere composition 73% hydrogen,
25% helium,
0.8% oxygen,
0.3% carbon
hydrogen,
helium
Crust composition 73% hydrogen,
25% helium,
0.8% oxygen,
0.3% carbon
hydrogen,
helium
Sun distance0 km3,820 light years
Luminosity3.82 × 1026 W1 × 1032 W
Photosphere temperature5,772 K3,490 K
Distance from the Milky Way center27,200 light years-
Metallicity0.0122-0.3
Spectral classificationG2VM3–M4.5
Right ascension19h 4m 30s07h 22m 58.32s
Declination+63.87°−25° 46′ 03.2355″


Note: if one of the objects is not visible, it just means that it is too tiny to be displayed compared to the other one.


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