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Solar Flares

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New X4.2 Solar Flare Erupts From AR4366 as Earlier CME Nears Earth

Forecasters expect a glancing CME to bring minor geomagnetic storm conditions.

Sunspot AR4366 Hurls X-Class Flares as CME Is Forecast to Brush Earth Thursday

Solar Orbiter Captures 'Magnetic Avalanche' Behind Major Solar Flare

Solar Orbiter Study Finds Large Solar Flare Triggered by 'Magnetic Avalanche'

Record 94-Day Watch of Solar Region That Drove 2024’s Fiercest Storms

Geomagnetic Storm Hits G3 as Earth‑Directed CME Approaches

Hawaiʻi Researchers Pin Down Why the Sun Has "Rain" During Flares

Study Finds Solar Flares Superheat Ions 6.5 Times More Than Electrons

Inouye Solar Telescope Publishes Sharpest-Ever X-Class Flare View, Resolving 21–48 Km Loop Strands

Inouye Solar Telescope Resolves Solar Flare Loops as Thin as 21 Kilometers

NASA and IBM Release Surya, Open-Source AI for Two-Hour Solar Flare Forecasts

Parker Solar Probe Confirms Long-Standing Solar Reconnection Theory In Situ