Summary:
- The three outer layers of the Sun are its atmosphere.
- The layers are, from inside to outside, the photosphere, the chromosphere, and the corona.
- The corona is the halo around the Sun.
- Sometime you should try to see a total solar eclipse.
- If you do, you will see the Sun’s corona shining out into space.
- It is the Sun's halo, or “crown.” with a temperature of 1 to 3 million K. With speeds up to 72,000 km per hour, the jets can fly as high as 10,000km.