SHORT FACTS ABOUT THE SUN

Diameter: 1 392 000 kM (109 times the diameter of the Earth)
Average distance from the Earth: 149,6 million km
Average surface temperature: 5500 degrees Celsius
Core temperature: 15,6 million degrees Celsius
Density in the core: 150 times the density of water
Luminosity: 3,86 * 10²⁶ Watt
Luminosity: Radiates each second sufficient energy to keep Norway running for 600 million years.
Pressure in the core: 250 billion atmospheres
Atmosphere: Very low density. Three layers and a very high temperature in the outermost layer.
Composition of the atmosphere: As the rest of the outer layers: 74 % hydrogen, 24 % helium
Rotation: Varies from 25,4 days at equator to 36 days at the poles.
Age of the Sun: Around 4,6 million years
Mass: 1,989 * 10³⁰ kg = times the Earth's mass
Orbit time around the center of the Milky Way: 225 million years

See more about the Sun at "The eight planets".

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