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The intense magnetic fields of sunspots cause arch-like eruptions called ____

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User Enduro
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2 Answers

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Final answer:

Eruptive events on the Sun known as prominences originate near sunspots and are associated with strong magnetic fields that inhibit convection, leading to cooler, darker sunspots and potential subsequent eruptions.

Step-by-step explanation:

The intense magnetic fields of sunspots cause arch-like eruptions called prominences. These solar phenomena are especially visible during solar eclipses when they appear as red features extending from the sunspots high into the corona. Sunspots are linked with strong magnetic fields that inhibit convection within the Sun, leading to cooler, darker areas. When magnetic energy is released, it can cause several types of prominences, including the spectacular eruptive prominences which propel plasma into the corona at high speeds, some even reaching heights greater than 1 million kilometers above the photosphere.

Understanding the relationship between magnetic fields and solar eruptions is important for predicting space weather events, as these prominences can evolve into coronal mass ejections (CMEs) when launched into space. CMEs have the potential to interact with Earth's magnetosphere, causing geomagnetic storms that can affect our electronic systems and power grids.

answered
User Xori
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7.3k points
6 votes
the answer is
promineces
answered
User Tmullaney
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8.6k points
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