Prominences
Prominences (or filaments) look like huge loops of fire coming out of the sun’s surface. They are really eruptions of gases. They can last for many hours, and can go hundreds of thousands of miles into space. Due to the magnetic pull the sun has on them, it stays above the sun’s surface. Think of the size difference between a baseball and a bus. Now think of the earth as the baseball and a prominence as the bus. That is about the size difference between a prominence and earth. During some point in its life, a prominence has a coronal mass ejection, when it erupts.
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