Scientists Discover Fishbone-Shaped Solar Energy Factory

By Space.Fan Editorial DeskSeptember 10, 2026 at 5:01 PM UTC

Researchers found a unique magnetic structure on the Sun that releases bursts of energy like a row of falling dominoes.

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The Drop

Our Sun is a giant ball of active, moving magnets. Scientists have long wondered how the Sun releases so much energy in its outer layers. By using high-powered telescopes, including the New Vacuum Solar Telescope, a team of researchers looked closely at a specific active area on the Sun known as active region 12297. They spotted a strange shape that looked just like a fish skeleton. The spine of this fishbone shape was a thin line of magnetic energy, with ribs reaching out to dark sunspots nearby. Beneath this structure, the Sun's surface was constantly moving and shifting. This constant motion keeps the structure in place and builds up magnetic energy that needs to be released. During bright flashes, the researchers watched energy move from one side of the spine to the other, almost like a line of dominoes falling one after another. This process was accompanied by jets of hot gas being shot out along the ribs of the structure.

Why It Matters

This discovery helps solve a puzzle about how the Sun's atmosphere gets so hot. By showing that these bright flashes are actually a chain reaction of many small events happening in a specific order, it explains how the Sun can release large amounts of magnetic energy at a very small, fine scale. It shows that the shape of the magnetic field acts like a roadmap for how energy flows across the solar surface.

The Catch

While the fishbone structure explains what the researchers saw in this specific part of the Sun, it is not clear if all bright flashes on the Sun work the same way. The study focuses on one specific region, so scientists need to observe more areas to know if this fishbone pattern is common or just a rare event.

Put That in Perspective

Scientists have seen similar magnetic activity before, but this is one of the first times they have been able to link the specific, sequence-based timing of these flashes to the shape of the magnetic field itself. Future studies will likely look for more of these structures to see if they follow the same rules.

Source September 10, 2026

ApJL

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