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HOME  >  SCIENCE  >  ASTRONOMY

Sun vs Earth size comparison



Comparison of the size between the planet Earth and its star, the Sun. We can better assess the immensity of the star and the smallness of our world. Earth looks like a point in the cosmos.

Earth
Earth


Object Sun Earth
TypeStar, yellow dwarfRocky planet
Age4.6 billion years4.54 billion years
Population07.7 billion
Diameter1,392,684 km12,742 km
Mean radius696,342 km6,371 km
Mass1.98 × 1030 kg5.97 × 1024 kg
Rotation duration24 days24 hours
Surface temperature
(average)
5,778 K
5,504 °C
9,940 °F
288 K
14.9 °C
58.7 °F
Surface gravity274.4 m/s²9.8 m/s²
Mean density1.4 g/cm35.5 g/cm3
Circumference4.3 million km40,075 km
Surface area6.09 × 1012 km2510 million km²
Volume1.41 × 1018 km31.08 × 1012 km3
Escape velocity617.7 km/s11.1 km/s
Average orbital speed1.99 km/s29.78 km/s
Atmosphere composition 73% hydrogen,
25% helium,
0.8% oxygen,
0.3% carbon
78% nitrogen (N2),
21% oxygen (O2),
~ 1% water vapor,
0.9% argon,
0.04% carbon dioxide
Crust composition 73% hydrogen,
25% helium,
0.8% oxygen,
0.3% carbon
60% silica,
16% alumina,
6% lime,
6% iron oxide,
4% magnesia,
3% sodium oxide,
2% potassium oxide
Distance from the Milky Way center27,200 light years27,200 light years
Right ascension19h 4m 30s-
Declination+63.87°-


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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