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Chapter 3
The Solar System
| Term | Definition |
|---|---|
| geocentric | an earth centered model |
| heliocentric | a sun centered model |
| ellipse | an oval shape, which may be elongated or nearly circular |
| core | the central region of the sun, where nuclear fusion takes place |
| radiation zone | a region of very tightly packed gas where energy is transferred mainly in the form of electromagnetic radiation |
| convection zone | the outer most layer of the sun's intension |
| photosphere | the inner layer of the sun's atmosphere |
| chromoshere | the middle layer of the sun's atmosphere |
| corona | the outer layer of the sun's atmosphere |
| solar wind | streams of electrically charged particles |
| sunspots | areas of gas on the sun's surface that are cooler then the gases around them |
| prominence | huge reddish loops of gas |
| solar flare | an eruption of gas from the sun's surface that occurs when the loops in sunspots regions connect |
| terrestrial planets | the name often given to the four inner planets (Mercury, Venus, Mars, Earth) |
| greenhouse effect | the trapping of heat by a planets atmosphere |
| gas giant | Jupiter, Saturn, Uranus, Neptune, larger and more massive then Earth don't have solid surfaces |
| ring | a thin disk of small particles of ice and rock |
| What was a scientist and his discovery? | Galileo and heliocentric |
| small, dense, rocky surface | Characteristics of Inner Planets |
Created by:
mjbernhardt3
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