Earth’s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field #Science #EarthSciences #Geomagnetism #EarthScience #MagneticFieldMystery
https://purescience.news/article?id=958494
Earth’s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field

A new model uncovers how Earth’s liquid core has sustained its magnetic field since the planet’s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field, which acts as a shield against harmful cosmic radiation and makes life possible. In contrast, planets like Mars are exposed to a constant [...]

Pure Science News
Earth’s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field #Science #EarthSciences #Geomagnetism #EarthScience #MagneticFieldMystery
https://purescience.news/article?id=958494
Earth’s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field

A new model uncovers how Earth’s liquid core has sustained its magnetic field since the planet’s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field, which acts as a shield against harmful cosmic radiation and makes life possible. In contrast, planets like Mars are exposed to a constant [...]

Pure Science News
Earth’s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field #Science #EarthSciences #Geomagnetism #EarthScience #MagneticFieldMystery
https://purescience.news/article?id=958494
Earth’s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field

A new model uncovers how Earth’s liquid core has sustained its magnetic field since the planet’s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field, which acts as a shield against harmful cosmic radiation and makes life possible. In contrast, planets like Mars are exposed to a constant [...]

Pure Science News
Earth’s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field #Science #EarthSciences #Geomagnetism #EarthScience #MagneticFieldMystery
https://purescience.news/article?id=958494
Earth’s Ancient Shield: Scientists Crack the Billion-Year-Old Mystery of the Magnetic Field

A new model uncovers how Earth’s liquid core has sustained its magnetic field since the planet’s beginnings, offering new insights into its future. Earth benefits from the presence of a magnetic field, which acts as a shield against harmful cosmic radiation and makes life possible. In contrast, planets like Mars are exposed to a constant [...]

Pure Science News
Geodynamo Mystery - Inside Earth’s Restless Core: Geomagnetism? Churning iron outer core powers the #geodynamo creates our protective #magnetic field, and why subtle shifts - like field weakening and past magnetic reversals matter. #Geomagnetism. youtu.be/8n8NsDaPx-A statusl.ink/geodynamomys...

Geodynamo Mystery: Inside Eart...
Geodynamo Mystery: Inside Earth’s Restless Core

YouTube
Geosurvey Reveals Hidden Australia Magnetic Anomaly
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https://www.csiro.au/en/news/All/Articles/2026/January/Australia-magnetic-anomaly <-- shared CSIRO (Australia) technical article
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https://research.csiro.au/potential-fields/ <-- shared CSIRO ‘Potential Field Geophysics’ home page
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https://www.sciencebase.gov/catalog/item/6193e9f3d34eb622f68f13a5 <-- shared @USGS tri-national (Canada, USA and Australia) geologic, geophysics, and mineral resource data release / report
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https://www.ga.gov.au/scientific-topics/disciplines/geophysics/airborne-electromagnetics <-- shared Australian government airmag overview page
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https://doi.org/10.5382/Mono.06.30 <-- shared paper, “The Contribution Of High Resolution Aeromagnetics To Archean Gold Exploration In The Kalgoorlie Region, Western Australia”
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#CriticalMinerals #GIS #spatial #Mapping #CriticalMineralsMappingInitiative #geology #structuralgeology #mineralresources #exploration #discovery #remotesensing #model #modeling #mining #economics #Australia #NorthernTerritory #MagneticAnomaly #AustraliaMagneticAnomaly #geomagnetism #openscience #opendata #openaccess #geoscience #geophysics #aeromagneticsurvey #aeromagnetic #spatialanalysis #CSIRO
@CSIRO

Top Geophysicist: “If the Magnetic Poles Flip, Humanity Could Be DONE For”

In this eye-opening interview, geophysicist Stefan Burns breaks down the real risks of a geomagnetic pole reversal. Earth’s magnetic field protects us from harmful solar and cosmic radiation, but during a flip, it weakens significantly—potentially exposing technology, infrastructure,

#geomagnetism #polereversal #solarradiation #cosmicchallenges #magnetism #science #physics

https://www.thesciencechannel.org/top-geophysicist-if-the-magnetic-poles-flip-humanity-could-be-done-for/

Top Geophysicist: “If the Magnetic Poles Flip, Humanity Could Be DONE For”

In this eye-opening interview, geophysicist Stefan Burns breaks down the real risks of a geomagnetic pole reversal. Earth's magnetic field[...]

The Science Channel
Earth's Magnetic Shield Protecting The Planet From A Pelting By The Solar Wind
See how the sun's energy drives a remarkable planetary engine, the climate
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https://youtu.be/6hD52H7rQak?si=OBGYbK8Czbi0uwlc <-- shared video
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[‘cannibalising’ (sic) my own post (!) to bring attention to this outstanding video visualisation and overview, science education/explanation at its finest!; narrated so well (of course!) by #liamneeson !!]
#GIS #spatial #mapping #geology #structuralgeology #magneticfield #SouthAtlanticAnomaly #SAA #spaceweather #geomagnetism #risk #hazard #hardening #magneticfieldstrength #protection #CME #coronalmassejection #sun #solar #solarwind #visualisation #visualization #education #scienceeducation #overview #explanation
#NASA
NASA Is Watching a Huge Anomaly Growing in Earth's Magnetic Field [SAA]
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https://www.sciencealert.com/nasa-is-watching-a-huge-anomaly-growing-in-earths-magnetic-field <-- shared technical article
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https://youtu.be/qpdQcw_52iM?si=Hn0EZkOGJOMihC71 <-- shared @nasa video - “NASA Explores Earth's Magnetic 'Dent'”
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https://en.wikipedia.org/wiki/South_Atlantic_Anomaly <-- shared SAA wiki
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https://youtu.be/6hD52H7rQak?si=OBGYbK8Czbi0uwlc <-- shared video – “Watch [a visualisation of how the] Earth's magnetic shield protect[s] the planet from a pelting by the solar wind…” [narrated so well (of course!) by #liamneeson !!!!]
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#GIS #spatial #mapping #remotesensing #earthobservation #geology #structuralgeology #magneticdent #magneticanomaly #magneticfield #SouthAtlanticAnomaly #SAA #spaceweather #geomagnetism #satellite #SWARM #orbitalspacecraft #spacecraft #risk #hazard #hardening #magneticfieldstrength #protection #CME #coronalmassejection #sun #solar #solarwind #NASA #ESA
@nasa @esa

Dungey Cycle (Planetary science 🪐)

The Dungey cycle, officially proposed by James Dungey in 1961, is a phenomenon that explains interactions between a planet's magnetosphere and solar wind. Dungey originally proposed a cyclic behavior of magnetic reconnection between Earth's magnetosphere and flux of solar wind. This reconnection explained previously observed dynamics withi...

https://en.wikipedia.org/wiki/Dungey_Cycle

#DungeyCycle #Geomagnetism #SpacePlasmas #SolarPhenomena #PlanetaryScience

Dungey Cycle - Wikipedia