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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.
the Mount Wilson magnetic classification of the active region ar-sxr-flares a list of the largest soft-X-ray flares produced by the active region ar-ha-flares a list of the largest H-alpha flares produced by the active region
In solar physics and observation, an active region is a temporary feature in the Sun's atmosphere characterized by a strong and complex magnetic field.They are often associated with sunspots and are commonly the source of violent eruptions such as coronal mass ejections and solar flares. [1]
May 2024 solar storms: X1.2(X1.3)-class flares [93] and X4.5-class flare. [94] The flares with a magnitude of 6–7 occurred between 30 April and 4 May 2024. On 5 May the strength of the solar storm reached 5 points, which is considered strong according to the K-index. The rapidly growing sunspot AR3663 became the most active spot of the 25th ...
Download as PDF; Printable version; ... Solar flare classification; Sudarsky's gas giant classification This page was ...
Our life-giving death star is experiencing its "solar maximum," which sounds like the name of a Christian rock band and is defined as the peak activity period within the sun's 11-year solar cycle.
Most types of solar radio bursts are produced by the plasma emission mechanism operating in different contexts, although some are caused by (gyro)synchrotron and/or electron-cyclotron maser emission. Solar radio bursts of Types I, II, and III as seen in dynamic spectrum observations from the Learmonth Solar radiospectrograph.
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