Acompass taken to earth’s moon does not point in a specific direction on the moon. what is the most likely reason for the difference between how the compass works on earth and on the moon? anawer the moon does not have a liquid core.

When compass is placed on the surface of Earth then the magnetic needle of compass is pointed towards the North direction.

This is because the magnetic needle has tendency to attract towards the South pole of magnet and since the Earth has its own magnetic field due to which North pole of earth behaves like South pole of magnet so the magnetic needle is attracted towards the North pole of Earth.

So here magnetic needle is pointed towards North pole on the Earth surface.

Now when magnetic needle is taken to the moon of the Earth then magnetic needle is not showing any direction because at the surface of moon there may not exist any magnetic field due to moon itself so the magnetic needle do not have any force on it.

So magnetic needle shows the direction on surface of Earth not on the surface of moon.

this is poiselle's equation from fluid mechanic in physics. mech eng

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