Location in the Southern Hemisphere where the lines of force from Earth's magnetic field are vertical. This point on the Earth gradual changes its position with time.
Also need to differentiate between North and South poles by indicating the directions of the magnetic field at the north pole and at the south pole. - Rebecca Ringuette
2023.05.24
Also applies to non-terrestrial bodies (e.g. Solar, other planets) if the word 'Earth' in the first sentence is replaced with 'a', as in "lines of force from a magnetic field are vertical." - Rebecca Ringuette
2023.05.24