All articles tagged with #solar flares
Three solar flares aimed at Earth could boost geomagnetic activity and brighten the northern lights across much of the United States, but the exact intensity and timing of impacts on technology remain uncertain.
A trio of powerful solar flares from sunspot region 4455—M9.3, M7.9 and an X1—launched coronal mass ejections that could spark auroras as far south as Illinois and other U.S. states during June 4–5, 2026. NOAA has issued a G3 geomagnetic storm watch, warning of potential displays in dark skies away from city lights; exact timing may shift, so check real-time forecasts.
Three major solar flares erupted from sunspot region 4455 in under 24 hours—M9.3, M7.9 and an X1—that triggered radio blackouts on Earth and launched Earth-directed CMEs. With geomagnetic storm activity expected (G1–G3) in the coming days, forecasters say auroras could appear at lower latitudes if the CMEs hit as anticipated (potentially around June 4–6).
Two Russian cosmonauts spent about six hours outside the ISS installing the Solntse-Teragerts sun-observing telescope on the Zvezda module, retrieving a semiconductor film sample from Nauka, inspecting a Kurs antenna, and completing multiple tasks. The telescope is designed to observe strong solar flares and run through 2028, while Kud-Sverchkov’s total spacewalk time rises to 12h11m and Mikaev records his first EVA; the outing also marked Energia’s 80th anniversary for Roscosmos.
NASA reports two X-class solar flares within seven hours—X2.4 on April 23 and X2.5 on April 24—that knocked out radio signals on Earth’s dayside and likely accompanied by CMEs. While the sunspot’s position makes a direct Earth impact unlikely, forecasters say a glancing CME could bring geomagnetic activity and possibly auroras as paths are monitored.
A Sun X1.4 flare from active region 4405 triggered a radio blackout and a coronal mass ejection heading toward Earth, prompting a G2 geomagnetic storm watch as Artemis 2’s launch window nears; NASA says there’s an 80% chance of favorable conditions on Wednesday, but CME timing could delay the mission if communications or navigation are affected.
A Japanese study models the Earth’s crust and ionosphere as a coupled electric system to explore whether solar flares could subtly influence when a fault reaches rupture. The authors stress they are discussing timing, not energy, and acknowledge the idea is preliminary and contested by experts, with further validation planned.
A new study suggests that solar flares may perturb Earth’s ionosphere, altering electrostatic forces in the crust and potentially nudging faults toward earthquakes. The authors model the crust and ionosphere as connected like a leaky battery; critics say the approach is oversimplified and real geology could dampen any effect. Validation is challenging, though the researchers cite a 2024 Japan quake as possible support, emphasizing that correlation does not equal causation.
The Sun erupted four strong X-class flares from sunspot cluster RGN 4366, including an X8.1—the most powerful since October 2024—potentially boosting energetic particle events and coronal mass ejections. CMEs can illuminate auroras but also disrupt satellites, power grids, and communications. Forecasters say more “exciting activity” could be on the way as the Sun remains unusually active during its 11‑year cycle, even though overall activity is expected to wind down later this decade.
Four X-class solar flares (X1.0, X8.1, X2.8, X1.6) erupted from sunspot group RGN 4366 on Feb 1–2, 2026, signaling lively space weather with potential energetic particle events and possible coronal mass ejections. Forecasters say more activity could follow as the active region evolves, with potential impacts on satellites, communications, and power grids if Earth-directed CMEs occur.
NOAA reports that sunspot group RGN 4366 has grown into a complex region capable of producing flares from M1 to X1, but no coronal mass ejections (CMEs) have been observed yet. The region remains the primary feature to watch during the week of 1–7 February 2026. Current NOAA space weather scales show minor radio blackout risks (R1) with HF radio degradation on the sunlit side.
A record-breaking study revealed that the giant sunspot AR 13664, which grew to 15 times Earth's width, produced nearly 1,000 solar flares, including powerful X-class flares, and triggered Earth's most intense geomagnetic storm in over 20 years, highlighting the sun's immense power during solar maximum.
Scientists used the Solar Orbiter to observe the active solar region NOAA 13664 for 94 days, the longest ever recorded, which helped link a major geomagnetic storm in May 2024 to solar activity, providing new insights into solar behavior and its impact on Earth.
Airbus recalled thousands of A320 aircraft due to potential data corruption caused by intense solar radiation, which could affect flight control systems, following an incident where a plane experienced a sudden altitude drop. The issue is linked to solar flares and sunspot activity, prompting software updates and raising concerns about space weather impacts on aviation safety.
The sun has emitted multiple powerful X-class solar flares, including an X5.1, causing coronal mass ejections that are heading toward Earth, potentially triggering geomagnetic storms and visible auroras across parts of the US and Europe from Nov. 10 to Nov. 12.