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Unformatted text preview: Prominences and Flares Solar Flares – violent eruption that occur in regions around sunspots. Solar flares last for about 20 minutes. Plages – has the appearance of a beach . Filament – Dark threads that came be as much as 100,000 km in length. Prominence – a region of cool gas embedded in the corona. Prominences are very bright when seen above the limb. From above they look like filaments. Quiescent Prominence – These last for weeks and look like a curtain of gas slowly descending. Coronal Mass Ejections – a blast of gas moving outward through the Sun’s corona and into interplanetary space following the eruption of a prominence. These ejections of ionized gas are strong enough to affect Earth’s weather and communication. Could also be very dangerous to astronauts...
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- Fall '10
- Biology, Corona –Theory