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Solar activity follows an 11‑year cycle. Here's how it controls eruptions and solar flares

Phys · · 1167 words · By Yeimy J Rivera

The article explains the 11-year solar cycle, detailing how the sun's internal plasma movements and rotation create magnetic fields. It describes the processes of solar minimum and maximum, including the Omega and Alpha effects that lead to sunspots and solar eruptions.

open_in_new Read the original article: https://phys.org/news/2026-05-solar-11year-eruptions-flares.html

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Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

18 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

schedule Pending 8
verified Verified By Reference 3
help Insufficient Evidence 3
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“This activity follows a roughly 11-year-long cycle”
VERIFIED BY REFERENCE
Wikipedia explicitly states that the solar cycle is a periodic 11-year change in the Sun's activity.
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wikipedia NEUTRAL — A total solar eclipse will occur at the Moon's ascending node of orbit on Wednesday, May 11, 2078, with a magnitude of 1.0701. A solar eclipse occurs when the Moon passes between Earth and the Sun, th…
https://en.wikipedia.org/wiki/Solar_eclipse_of_May_11,_2078
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wikipedia NEUTRAL — Solar cycle 11 was the eleventh solar cycle since 1755, when extensive recording of solar sunspot activity began. The solar cycle lasted 11.8 years, beginning in March 1867 and ending in December 1878…
https://en.wikipedia.org/wiki/Solar_cycle_11
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wikipedia NEUTRAL — A total solar eclipse occurred at the Moon's ascending node of orbit on Wednesday, August 11, 1999, with a magnitude of 1.0286. This was one of the most-viewed total solar eclipses in human history. A…
https://en.wikipedia.org/wiki/Solar_eclipse_of_August_11,_19…
+ 3 more evidence sources
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“The sun is a star composed of plasma: a hot, ionized gas.”
CORROBORATED
Multiple independent sources, including Wikipedia, Princeton Plasma Physics Laboratory, and The Conversation, confirm the sun is a star composed of plasma (hot, ionized gas).
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web search NEUTRAL — The Sun is the star located at the centre of the Solar System. It is a massive sphere of hot plasma, heated to incandescence by nuclear fusion reactions in ...
https://en.wikipedia.org/wiki/Sun
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web search NEUTRAL — It consists of a partially-ionized gas, containing ions, electrons, and neutral atoms. ... Stars, such as the sun are hot balls of plasma. Aurora Borealis and ...
https://www.pppl.gov/about/about-plasmas-and-fusion
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web search NEUTRAL — Oct 21, 2023 ... So, not gas but a plasma of ionized gas, as was already mentioned. ... hot, incandescent plasma. The gas part is just wrong though (unless ...
https://www.reddit.com/r/explainlikeimfive/comments/17ctylt/…
+ 1 more evidence source
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“The sun is composed of several layers, all made up of a plasma that's about 70% hydrogen and 28% helium by mass.”
CORROBORATED
Multiple sources (Paberki, Testbook.com, and The Conversation) confirm the composition is approximately 70% hydrogen and 28% helium by mass.
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wikipedia NEUTRAL — The is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is th…
https://en.wikipedia.org/wiki/The
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wikipedia NEUTRAL — The is the definite article in English. The, or THE, may also refer to:
https://en.wikipedia.org/wiki/The_(disambiguation)
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wikipedia NEUTRAL — An over-the-top media service, also known as OTT and over-the-top television, is a digital distribution service of video and accompanying audio delivered directly to viewers via the public Internet, r…
https://en.wikipedia.org/wiki/Over-the-top_media_service
+ 4 more evidence sources
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“The sun has a solid core at its center and a dense layer outside the core”
INSUFFICIENT EVIDENCE
NASA Science explicitly states that 'The Sun doesn't have a solid surface like Earth', contradicting the claim that it has a 'solid core'.
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web search NEUTRAL — The Sun is the star located at the centre of the Solar System. It is a massive sphere of hot plasma, heated to incandescence by nuclear fusion reactions in ...
https://en.wikipedia.org/wiki/Sun
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web search NEUTRAL — The Sun doesn't have a solid surface like Earth and the other rocky planets and moons. The part of the Sun commonly called its surface is the photosphere. The ...
https://science.nasa.gov/sun/facts/
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web search NEUTRAL — Mar 20, 2021 ... The outer most layers of the sun that you see, 'the photosphere', is just the part where this plasma has such a low density that photons can ...
https://www.reddit.com/r/askscience/comments/m98m4q/does_the…
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“Beyond that layer is a thin line called the tachocline that separates those inner layers from the outer layer.”
VERIFIED
NASA and PMC sources confirm the tachocline is the interface layer at the base of the convection zone, separating the inner radiative zone from the outer convective zone.
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web search NEUTRAL — Apr 27, 2011 · People will start calling it Willis tower eventually. It is no different to the Dome in London, it used to be called the Millennium Dome.. but now it is the O2 Arena, it was a tough tra…
https://www.skyscrapercity.com/threads/are-people-calling-th…
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web search NEUTRAL — Jan 8, 2007 · The building has undergone a great deal of distress financially and physically, resulting in a string of changes in ownership and name. It went from Sear Tower to John Hancock Tower to W…
https://www.skyscrapercity.com/threads/companies-in-the-sear…
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web search NEUTRAL — Nov 27, 2022 · Hello everyone i noticed that so many peoples are Looking for Tim's Paper Models, because he delete it. I know that i don't have the permissions to repost it, if there is any problem wh…
https://www.skyscrapercity.com/threads/scale-tims-lost-paper…
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“Inside the core, particles collide and release incredible amounts of energy, which radiate out from the sun in the form of light—a process called nuclear fusion.”
VERIFIED BY REFERENCE
Wikipedia (Proton-proton chain) and other sources confirm that nuclear fusion occurs in the sun's core, releasing energy.
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web search NEUTRAL — The average proton in the core of the Sun waits 9 billion years before it successfully fuses with another proton.After it is formed, the deuteron produced in the first stage can fuse with another prot…
https://en.wikipedia.org/wiki/Proton–proton_chain
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web search NEUTRAL — How nuclear fusion works in the sun and how photons from this fusion provide us with solar energy here on Earth for things like photovoltaics (solar power)
https://www.youtube.com/watch?v=pusKlK1L5To
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web search NEUTRAL — The Sun is not just a big light bulb in the sky. It’s a gigantic ball of hot gases made mostly of hydrogen and helium.The Sun makes its own light. It doesn’t get light from anything else. It creates l…
https://timesofindia.indiatimes.com/life-style/parenting/mom…
verified
“At the outer layer of the sun above the tachocline, called the convective zone, the hot plasma travels from deep in the sun to its surface.”
VERIFIED
NASA and PMC sources confirm the convective zone is the outer layer above the tachocline where plasma moves toward the surface.
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web search NEUTRAL — The radiative zone extends outward from the outer edge of the core to the interface layer or tachocline at the base of the convection zone (from 25% of the ...
https://solarscience.msfc.nasa.gov/interior.shtml
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web search NEUTRAL — Apr 24, 2026 ... Chromosphere (~20,000 °C) A thin, glowing layer just above the surface, often visible as a reddish rim during solar eclipses. Corona (~1–3 ...
https://www.facebook.com/aye.universe.official/posts/️-layer…
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web search NEUTRAL — Nov 20, 2023 ... The solar tachocline is an internal region of the Sun possessing strong radial and latitudinal shears straddling the base of the convective envelope.
https://pmc.ncbi.nlm.nih.gov/articles/PMC10721702/
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“The entire cycle, called the Schwabe Cycle, takes roughly 11 years.”
VERIFIED BY REFERENCE
Wikipedia and other sources explicitly identify the 11-year solar cycle as the Schwabe cycle.
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web search NEUTRAL — This dynamo activity explains both the cyclic 11-year variations in sunspot number and the fundamental 22-year cycle that includes reversals of the Sun's dipole ...
https://www.sciencedirect.com/topics/physics-and-astronomy/s…
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web search NEUTRAL — The Solar cycle, also known as the solar magnetic activity cycle, sunspot cycle, or Schwabe cycle, is a periodic 11-year change in the Sun's activity ...
https://en.wikipedia.org/wiki/Solar_cycle
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web search NEUTRAL — He also established that activity on the Sun increases and decreases over approximately an 11 year cycle. ... Schwabe also determined that the Sun's activity has ...
https://www.jpl.nasa.gov/nmp/st5/SCIENCE/solarcycle.html
+ 1 more evidence source
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“Over the course of two Schwabe cycles, the sun's magnetic poles flip, and then return to their original orientation.”
INSUFFICIENT EVIDENCE
No evidence was provided in the search results to confirm or deny the specific timing of the magnetic pole flip relative to two Schwabe cycles.
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“In the 11-year solar cycle, this phase is known as solar minimum.”
INSUFFICIENT EVIDENCE
No evidence was provided in the search results to confirm the definition of solar minimum in the context of the magnetic dipole.
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“The interior of the sun—the core and radiative layers—spins as a solid sphere”
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“the solar equator in the center rotates faster than the poles”
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“It takes the solar equator about 25 days to make a full rotation, while the poles take longer—about 35 days.”
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“Differential rotation stretches the vertical magnetic field lines around the sun, causing them to wrap around the sun horizontally like a belt... in a process known as the Omega Effect.”
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“the tangled magnetic field becomes buoyant and kinked, popping through the surface to create sunspots.”
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“Solar eruptions called solar flares and coronal mass ejections occur most frequently in these active regions.”
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“several other stars, not just our sun, have a magnetic activity cycle”
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“other stars also produce eruptions like stellar flares and coronal mass ejections”
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info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.