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Typical coronal loops observed by TRACEDynamics of coronal loops observed by SDO
In solar physics, a coronal loop is a well-defined arch-like structure in the Sun's atmosphere made up of relatively dense plasma confined and isolated from the surrounding medium by magnetic flux tubes. Coronal loops begin and end at two footpoints on the photosphere and project into the transition region and lower corona. They typically form and dissipate over periods of seconds to days[1] and may span anywhere from 1 to 1,000 megametres (621 to 621,000 mi) in length.[2]
Coronal loops are often associated with the strong magnetic fields located within active regions and sunspots. The number of coronal loops varies with the 11 year solar cycle.
^Loff, Sarah (2015-04-17). "Coronal Loops in an Active Region of the Sun". NASA. Retrieved 2022-03-28.
^Reale, Fabio (July 2014). "Coronal Loops: Observations and Modeling of Confined Plasma" (PDF). Living Reviews in Solar Physics. 11 (4): 4. Bibcode:2014LRSP...11....4R. doi:10.12942/lrsp-2014-4. PMC 4841190. PMID 27194957. Retrieved 16 March 2022.
In solar physics, a coronalloop is a well-defined arch-like structure in the Sun's atmosphere made up of relatively dense plasma confined and isolated...
the magnetic field is more twisted. Associated with sunspots are coronalloops, loops of magnetic flux, upwelling from the solar interior. The magnetic...
stop consonant Coronalloop, a structure on the surface of the Sun This disambiguation page lists articles associated with the title Coronal. If an internal...
A coronal mass ejection (CME) is a significant ejection of magnetic field and accompanying plasma mass from the Sun's corona into the heliosphere. CMEs...
occur in active regions and are often, but not always, accompanied by coronal mass ejections, solar particle events, and other eruptive solar phenomena...
legs of large coronalloops, flare-generated transverse oscillations of loops, acoustic oscillations of loops, propagating kink waves in loops and in structures...
several weeks or months, looping hundreds of thousands of kilometers into space. Some prominences may give rise to coronal mass ejections. Exact mechanism...
magnetic morphology is that of a coronal pseudostreamer without the central open field. List of solar cycles Coronalloop Solar radio emission Kallenrode...
loops in detail from the observations taken with the EUV spectrometer on Skylab in 1976. When the plasma temperature of these loops becomes coronal (above...
rooster tail formations from their ejecta. They can form in relation to coronalloops near the Sun's surface. In gear shifting in motor vehicles, it is the...
Discoveries included the first observations of coronal mass ejections, then called "coronal transients", and of coronal holes, now known to be intimately associated...
portal Star portal Chromosphere Stellar corona Coronal cloud CoronalloopsCoronal mass ejection Coronal radiative losses Current sheet Magnetic reconnection...
photosphere, referred to as footpoints, create a loop-like structure known as a coronalloop. The plasma inside the loop has a higher temperature than the surroundings...
Transequatorial loops have also been associated with flare activity and coronal mass ejections. Solar corona Coronal seismology Coronalloop Solar prominence...
November 2018: Voyager 2 crosses the heliopause, departing the heliosphere. Coronal mass ejection Fermi glow Gale Martha (1 April 2013). "The Sun's Heliosphere"...
This creates starspots on the surface, and the related phenomenon of coronalloops. The magnetic field of a star can be measured by means of the Zeeman...
other active region phenomena such as coronalloops, prominences, and reconnection events. Most solar flares and coronal mass ejections originate in these...
corona. A main focus of the TRACE instrument is the fine structure of coronalloops low in the solar atmosphere. TRACE is the third spacecraft in the Small...
solar material, the number and size of sunspots, solar flares, and coronalloops all exhibit a synchronized fluctuation from a period of minimum activity...
Sun's Coronal Rain Puzzle Solved". news.discovery.com. Retrieved 14 March 2014. Antolin/Verwichte, P./ and E. (Erwin). "Transverse oscillations of loops with...
Spicule Moreton wave Solar corona Solar transition region Coronal hole CoronalloopCoronal mass ejection Solar prominence Helmet streamer Solar variation...
belt", where coronal streamers are produced by magnetic flux open to the heliosphere draping over closed magnetic loops. The exact coronal structures involved...
Shreepati Arcade, one of India's tallest buildings Arcade, a bundle of coronalloops in solar physics; see Supra-arcade downflows Arcadia (disambiguation)...
straight cylinder with a circular basis (one of the simplest models for a coronalloop), the three MHD waves can still be clearly distinguished. But in general...
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