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Sun Core Image

Sun Statistics

• Age: 4.5 billion years.

• Core: Solar energy is created here (15,000,000 degrees centigrade).

• Photosphere: The surface of the Sun seen in visible light (6,000 degrees centigrade).

• Chromosphere: Layer right above the photosphere.

• Corona: Outer part of the Suns atmosphere (1,000,000 degrees centigrade).

• Sunspots: Concentrations of magnetic flux. They appear dark because they are cooler than the surrounding photosphere (4,000 degrees centigrade).

Principal chemistry
Hydrogen 92.1 %
Helium 7.8%
Oxygen 0.061%
Carbon 0.030%
Nitrogen 0.0084%
Neon 0.0076%
Iron 0.0037%
Silicon 0.0031%
Magnesium 0.0024%
Sulfur 0.0015%
All Others 0.0015%

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This page was last updated August 19, 2009
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