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#solar physics

All articles tagged with "solar physics"

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How flare ribbons reveal hidden solar explosions on the sun

Solar flare ribbons offer clues to hidden explosions

Solar flares are driven by changing magnetic fields and magnetic reconnection.
Flare ribbons can act as observable clues to activity higher in the solar atmosphere.
Understanding eruptions is relevant to space weather and CME impacts near Earth.

DE

DT Editorial Team·Oct 25, 2026·via phys.org

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Solar Orbiter tracks origin of mysterious magnetic switchbacks

Solar Orbiter traces solar-wind switchbacks to the Sun

Solar Orbiter flew through and sampled a large solar-wind switchback.
The particles included oxygen and carbon signatures associated with hot magnetic loops at the Sun.
ESA says the result supports interchange reconnection as a formation process.

DE

DT Editorial Team·Oct 10, 2026·via esa.int

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Hand-drawn image of sunspots from the Great Sunspot of 1947. Credit - Mount Wilson Observatory

Sun May Be Physically Capable of Superflares, New Study Finds

The Sun has long been considered relatively quiet compared with Sun-like stars and incapable of superflares.
A new paper by Natalie Krivova and co-authors in Philosophical Transactions A questions that assumption.
Solar flares occur when twisted magnetic fields in active regions snap and reconnect.
Active regions are known as sunspots and leave behind flare ribbons.

DE

DT Editorial Team·Sep 21, 2026·via universetoday.com

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The Sun's spectrum, crossed by dark Fraunhofer lines where atoms in its outer layers absorb light at specific wavelengths, the fingerprint astronomers use to work out what a star is made of (Credit : NASA)

Astronomers solve the Sun’s ‘missing silver’ puzzle

Astronomers had long found less silver in the Sun than meteorites suggested should be present.
Researchers led by Sema Caliskan at Uppsala University built a more realistic solar atmosphere model.
The analysis also used improved atomic physics for how silver interacts with light and its surroundings.
The revised result brings the Sun’s silver abundance into line with meteorite benchmarks.

DE

DT Editorial Team·Jul 20, 2026·via universetoday.com

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Artist rendering of a helioseismic map of the Sun that shows ten million modes of sound wave oscillations in the Sun. Such maps are helping scientists predict activity before it rotates into our view. Credit: NSF/NSO/AURA

Solar Scientists Add Magnetic Polarity to the Sun’s Hidden Hemisphere

Researchers developed a way to assign magnetic polarity to far-side solar active regions.
The method builds on helioseismic maps from NOAA’s Global Oscillation Network.
Better far-side magnetic information could improve space weather forecasting before active regions rotate into view.

DE

DT Editorial Team·May 7, 2026·via universetoday.com

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Solar prominence seen in true colour during totality of a solar eclipse (Credit : ESA/CESAR)

New solar simulations aim to explain how the Sun’s ‘floating mountains’ survive

New simulations model solar prominences across multiple layers of the Sun.
The work helps explain how cooler plasma can remain suspended in the hot corona.
Prominence research matters because eruptions can affect satellites, power grids, and other infrastructure.

DE

DT Editorial Team·Apr 29, 2026·via universetoday.com

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Student-led coronal hole research points to better solar wind forecasting

Fast solar winds can disrupt GPS, aviation, electrical grids, and communications systems.
The new paper links coronal hole research to better space weather forecasting.
The work illustrates how solar physics research can support practical resilience on Earth.

DE

DT Editorial Team·Apr 8, 2026·via phys.org

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