Coronal mass ejection

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

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Notion

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Science and technology

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What Wikipedia says

A coronal mass ejection (CME) is a significant ejection of plasma mass from the Sun's corona into the heliosphere. CMEs are often associated with solar flares and other forms of solar activity, but a broadly accepted theoretical understanding of these relationships has not been established.

Excerpt from the Wikipedia article “Coronal mass ejection”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Burkhard Mücke, CC BY-SA 4.0, via Wikimedia Commons.