(29-2)The Sun -- Solar Activity
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| 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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