Gigantic 'letter S' spotted on the sun just before a 'dark eruption' hurls a fiery shadow at Earth
The unusual shape was created by shifting magnetic fields that twisted and released energy, leading to what experts call a “dark eruption.” This eruption hurled a coronal mass ejection (CME) — a large cloud of charged particles — directly toward Earth. While CMEs can sometimes disrupt satellites, GPS systems, and power grids, this particular event is expected to cause mainly minor geomagnetic effects. Scientists explained that the fiery shadow seen in space telescopes was plasma erupting outward, casting dark material as it spread. The phenomenon highlights how dynamic and unpredictable solar activity can be. With the sun moving toward the peak of its 11-year solar cycle in 2025, experts anticipate more such eruptions and continue monitoring them to understand potential risks for Earth.
The Key points
- Astronomers spotted an “S-shaped” pattern on the sun’s surface.
- The shape resulted from twisted magnetic field lines.
- A “dark eruption” followed the unusual formation.
- The event launched a coronal mass ejection (CME).
- CMEs release charged particles into space.
- The eruption’s plasma cast a fiery shadow toward Earth.
- Scientists predict only mild geomagnetic disturbances.
- Satellites and communication systems may face brief impacts.
- Continuous monitoring helps prepare for stronger future eruptio
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