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In solar physics, a prominence, sometimes referred to as a filament, [a] is a large plasma and magnetic field structure extending outward from the Sun's surface, often in a loop shape. Prominences are anchored to the Sun's surface in the much brighter photosphere , and extend outwards into the solar corona .
The most visible and impressive features of the chromosphere include prominences. These gigantic plumes of gas are trapped by magnetic fields, reaching altitudes of 93,000 miles above the Sun.
On 2 April 1845, Fizeau and Foucault first photographed the Sun. Photography assisted in the study of solar prominences, granulation, spectroscopy and solar eclipses. [52] On 1 September 1859, Richard C. Carrington and separately R. Hodgson first observed a solar flare. [52]
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 ...
The peak of Solar Cycle 25 started in January and goes through October, which means we could see more solar flares in the coming months. Solar flares decrease as the sun nears solar minimum.
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.
Many photos of Monday's solar eclipse managed to catch bright spots along the Sun's corona. An astronomer explains what people were seeing.
A growing body of research is finding evidence of violent solar flares deposited in natural archives like tree rings and glacial ice.. Scientists have so far identified five extreme solar particle ...