4 ms·

> on Mars there's no electric ground. I'm intrigued. Is it due to much drier conditions? Grain size? Mineral composition? Combinations? Anywhere I could read a

• godelski 5y ago
  It's because Mars's magnetic core isn't spinning, which is also why there's no magnetosphere. As a quick intro that isn't doesn't have much detail but has links I'd go with[0]. But if you pick up any book on Martian engineering or read any report (NASA reports are public) you'll find mentions of this. This is also discussed deeply in most astrophysics textbooks. [0] https://hackaday.com/2017/08/17/living-on-mars-the-stuff-you-never-thought-about/ https://hackaday.com/2017/08/17/living-on-mars-the-stuff-you...
  • upofadown 5y ago
    The article says it is about dryness, not anything to do with a magnetosphere.