Astronomy 29-2
| Description: | (29-2)The Sun -- Solar Activity |
| Category: | Earth Science |
| Created by: | lsiefert on 2007-07-22 |
| Term | Definition |
| sunspot | cooler areas of the sun that appear darker and have a strong magnetic field |
| prominence | a loop of relatively cool, incandescent gas that extends above the photosphere |
| solar flare | an explosive release of energy that comes from the sun and that is associated with magnetic disturbances on the sun's surface |
| coronal mass ejection | part of the corona that is thrown into space from the sun |
| aurora | colored light display in Earth's atmosphere |
| magnetosphere | the space around Earth that contains a magnetic field |
| geomagnetic storm | a sudden disturbance in Earth's magnetic field |
| 11 years | the length of the sunspot cycle |
| Solar Eclipse | SUN moon EARTH |
| Lunar Eclipse | SUN EARTH moon |
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