Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.
Analysis of both Apollo and Russian Luna rock samples have revealed that over 4 billion years ago, the Moon had a weak global magnetic field about 1/20th the strength of Earth's present magnetic field ...
That's because the reduced strength of Earth's magnetic field allows the orbiters to be pummeled by incoming solar radiation that disrupts technological systems. Typically, this only causes low ...