Afsnit 117: Jordens magnetfelter, verdenssituationen mv

1) Jordens Magnetfelt 2) Mennesker påvirker Jordens massefordeling og dermed magnetfeltet 3) Plastik 4) Temperaturen for 2025 er kommet ind 5) Astronauts return early (a non story?) 6) JWST black hole ripping through space: 7) Solformørkelse i Spanien ------------------------------ 1: Magnetisk Nord pol vandrer: Earth's Magnetic North Pole Is Officially Moving – Scientists Just Updated Its Location : ScienceAlert Jordens magnetfelt har en Anomali: Vast Anomaly in Earth's Magnetic Field Keeps Growing, Satellites Reveal : ScienceAlert ------------- 2) Humanity Has Dammed So Much Water It's Shifted Earth's Magnetic Poles : ScienceAlert As we trap water behind dams, not only does it remove water from the oceans, thus leading to a global sea level fall, it also distributes mass in a different way around the world. Extra weight added to a spinning sphere pulls the weighted part towards the equator, shifting the axis around which the sphere spins. So, redistributing Earth's surface weight re-orientates its spin axis, whether that be through damming water, melting glaciers, or groundwater removal. But it's only Earth's outer crust floating over its gooey inner parts – not the inner goo generating the magnetic field – that shift, leading to a different part of Earth's surface sitting over our planet's inner magnetic north. So, while north itself hasn't really moved in space, Earth's surface has shifted around, over the top of it. This phenomenon is called true polar wander. ——— Plastik The primary source of plastic is fossil fuels, specifically crude oil and natural gas. Over 99% of plastic is produced from these non-renewable hydrocarbon sources, which are refined into monomers like ethylene and propylene, and then polymerized into plastic materials 3) Jagten på det nye plastik Plastik fra Avokado sten: ———- 4) In 2025, the global average surface temperature was approximately 1.44∘C- 1.47∘C above the pre-industrial (1850–1900) level. It was confirmed as the third-warmest year on record, trailing behind 2024 and 2023 despite the cooling influence of a La Niña pattern. —————- 5) Astronauts return early ——————— 6) JWST black hole ripping through space: —————— 7) Solformørkelse i Spanien. Man kan komme på rejse med Michael Linden Vørnle

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Afsnit 117: Jordens magnetfelter, verdenssituationen mv is an episode from Meta & Fysikken by Anders Jensen.

This episode is 59:49 long.

This episode was published on Jan 30, 2026.

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