Huge Problem With Our Universe Has Simple Answer, Physicists Say

Thank you to Bombas for sponsoring this video! Head to https://bombas.yt.link/4osaIC0 and use code SABINE at checkout for 20% off your first purchase. For a decade, two ways of measuring how fast the universe expands have given different answers, a problem known as the “Hubble tension”. Now a group of physicists says the problem isn’t the supernovae but how we read the cosmic microwave background. The culprit, they say, is something we’ve ignored: magnetic fields from the birth of the universe. Crisis averted? Let’s take a look. Paper: https://doi.org/10.1038/s41550-025-02... #sciencenews #physics #space #cosmology 👕T-shirts, mugs, posters and more: ➜ https://sabines-store.dashery.com/ 💌 Support me on Donorbox ➜ https://donorbox.org/swtg 👉 Transcript with links to references on Patreon ➜   / sabine   📝 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ 📩 Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsle... 👂 Audio only podcast ➜ https://open.spotify.com/show/0MkNfXl... 🔗 Join this channel to get access to perks ➜    / @sabinehossenfelder   📚 Buy my book ➜ https://amzn.to/3HSAWJW