magnetic field Archives - The best Astronomy blog for facts about the universe from IloveTheUniverse

NASA Is Watching a Vast, Growing Anomaly in Earth’s Magnetic Field

January 21, 2025 by Ignat

NASA has been observing an unusual anomaly in Earth’s magnetic field: a vast region of reduced magnetic intensity stretching between South America and southwestern Africa. Known as the South Atlantic Anomaly (SAA), this immense and evolving phenomenon has captivated scientists … Read More

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A Distant Radio Signal Indicates That a Rocky Exoplanet Could Have a Magnetic Field

April 7, 2023 by Ignat

Earth’s magnetic field protects life on our blue planet — and astronomers just found evidence of a magnetic field on a rocky exoplanet 12 light-years away. In a recent study published in the journal Nature Astronomy, scientists reported detecting evidence … Read More