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    • Earth Had a Magnetosphere 3.7 Billion Years Ago

      Universe Today· 3 days ago

      Geologists have long known that iron particles in rocks “entrain” a print of the magnetic field that was in place when they formed. It’s not an easy task, according to team ...

    • China’s Shenzhou-17 crew return to Earth

      SpaceNews· 3 days ago

      Astronauts Tang Hongbo, Tang Shengjie and Jiang Xinlin had been operating the Tiangong space station since October. The crew departed the station at 8:43 p.m. Eastern April 29 (0043 UTC on April ...