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A solar flare is a relatively intense, localized emission of electromagnetic radiation in the Sun's atmosphere. Flares occur in active regions and are often, but not always, accompanied by coronal mass ejections, solar particle events, and other eruptive solar phenomena. The occurrence of solar flares varies with the 11-year solar cycle.
Severe damage to telegraph stations. Part of solar cycle 10. The Carrington Event was the most intense geomagnetic storm in recorded history, peaking on 1–2 September 1859 during solar cycle 10. It created strong auroral displays that were reported globally and caused sparking and even fires in telegraph stations. [1]
The Most Powerful Solar Flares Ever Recorded (NASA's SpaceWeather.com) Solar Proton Events Affecting the Earth Environment (1976 - present) (SWPC) Archive of the most severe solar storms (Solarstorms.org) GOES X-ray Solar Imager Greatest Hits; Riley, Pete; J. J. Love (2017). "Extreme geomagnetic storms: Probabilistic forecasts and their ...
The sun produced its biggest flare in nearly a decade Tuesday, just days after severe solar storms pummeled Earth and created dazzling northern lights in unaccustomed places. “Not done yet ...
Region 3500 on our Sun just fired a near X-class flare and launched a strong Earth-directed #solarstorm. Waiting for coronagraph imagery, but it looks like this storm could arrive by December 1.
The first visible and electromagnetic effects of a solar flare reach observers on Earth at the speed of light, which means they were spotted about eight minutes after they occurred on the surface ...
Solar flares occur with varying frequency depending on where the Sun is in its 11-year solar cycle with fewer than one happening each week during solar minimums to multiple flares daily during the ...
When that X-ray image (blue and green) is overlaid onto an infrared photo from the Solar Dynamics Observatory (in orange), it shows how X-rays relate to high-temperature solar activity like flares ...