A solar sunspot group, numbered 4478, has become the largest… (группа · крупный · пятно)
A solar sunspot group, numbered 4478, has become the largest observed in 2026, reaching an area of approximately 1,190 units. Scientists note that while the group is highly active and energetic, it has not yet shown signs of major solar flares or eruptions.
Consensus
- The solar sunspot group 4478 is the largest observed in 2026.
- The area of group 4478 is approximately 1,190 units.
- The previous largest group, 4366, produced an X8.1 flare and broke a 21st-century record.
- Group 4366 had a peak area of 1,100 units.
- There is currently no observed significant solar activity from group 4478.
- The group is expected to align with Earth and the Sun in the near future.
Points of divergence
- The group is described as 'living its own life,' bubbling with energy but not showing tendencies toward major explosions. — vm
Coverage (3 sources)
- Largest 2026 Sunspot Group Forms on the Sun — Вечерняя Москва
- Russian scientists have recorded the largest solar active region of the year — Интерфакс
- Group of sunspots has reached the largest size of the year — Вести