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Chapter 7 Lesson 3
| Term | Definition |
|---|---|
| core | central region |
| nuclear fusion | hydrogen atoms join to form helium |
| radiation zone | region of very tightly packed gas where energy moves mainly in the form of electromagnetic radiation |
| convection zone | the outer most layer of the sun's interior |
| photosphere | the inner layer of the sun's atmosphere |
| chromosphere | the middle layer of the sun's atmosphere |
| corona | a white halo around the sun |
| solar wind | streams of electrically charged particles |
| sunspot | areas of gas on the sun's surface that are cooler than gases around them |
| prominence | huge loops of gas |
| solar flare | eruptions of gas in space |