blog navigation

blog posts

  • Earth's inner core is doing something weird

    Aug 20, 2019 11:45 am by National GeographicIllinois in the News
    newspapers via wiki commons

    Images

    National Geographic (Aug. 19) Earth's inner core of iron floating in molten metal is free to turn independently. Illinois' Xiaodong Song says it’s possible the rate of inner core rotation varies over time. 

    stats

      additional actions