Magnetic Storm (2003)

What is weakening Earths invisible shield Magnets have the power to attract and repelsometimes on a massive scale The Earths molten corea violent mix of searing heat crushing pressure and a billion trillion tons of liquid ironcreates an invisible shield that surrounds the globe guarding against a constant barrage of deadly radiation from space But over the last few decades the Earths magnetic field has weakened dramatically intriguing scientists across the globe The power generated 2000 miles beneath our feet protects us every day but the loss of Earths magnetic field is a brewing storm that affects us all While experts research and debate persistent questions remain Is a rare geomagnetic reversal the cause of earths inner turmoil And if the magnetic field were to vanish altogether would Earth become as lifeless as Mars