Mars Insight Spacecraft –“Reveals Remnants of Red Planet’s Ancient Switched-Off Magnetic Field”

  Today Mars is a frigid desert world with a carbon dioxide atmosphere 100 times thinner than Earth’s, the result of red planet’s protective magnetic field switching off half a billion years ago. NASA scientists speculate that an impact basin deep enough to swallow Mount Everest in Valles Marineris highlights what might be the results … Continue reading Mars Insight Spacecraft –“Reveals Remnants of Red Planet’s Ancient Switched-Off Magnetic Field”