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SESK: Stuff Everyone Should Know · sesk.info/aero-solar-prominence

What is a solar prominence?

A large loop of plasma held above the Sun by magnetic fields.

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  1. A cooler dark patch on the surface
  2. A large plasma loop held by magnetic fields ✔
  3. A brief flash of light and radiation

Why: A prominence is cool, dense solar plasma suspended above the Sun's surface by a strong magnetic field. Seen over the Sun's edge, it often looks like a bright loop.

Huh, didn't know that: Seen against the Sun's disk, the same kind of structure is called a filament.

The dad joke
Why was the prominence so popular? It really knew how to stand out.
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References

Answer: A large plasma loop held by magnetic fields. A prominence is cool, dense solar plasma suspended above the Sun's surface by a strong magnetic field. Seen over the Sun's edge, it often looks like a bright loop.

  1. NASA Science: The Heliopedia science.nasa.gov/reference/the-heliopedia
    A prominence is a snakelike structure made of cool, dense solar material that is suspended above the Sun's surface
    Checked 2026-10-10.

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