Rocky planets such as Earth can have magnetic fields when charged materials inside their liquid cores slosh around. When an electric current flows through the aluminum conductor, it generates a magnetic field, which rotates the liquid mercury. This experiment is … If you imagine the earth as a giant "electric motor" styled, liquid metal flowing around a solid core to create our magnetic field. However, the eddy currents are dissipated by resistance in the metal, allowing the metal to fall toward the magnet, just somewhat slowed. Two aluminum wheels are located at the sides. Diamagnetism was first discovered when Anton Brugmans observed in 1778 that bismuth was repelled by magnetic fields. A spacecraft called BepiColombo, which is a joint mission from Europe and Japan, is on its way to Mercury right now and will arrive in 2025. It is a well-known fact that electrons (or ions) tend to move in a helical fashion around magnetic field lines. The magnetic field of these currents will repel the magnetic field already there. The electron configuration of Mercury is [Xe]6s2 4f14 5d10. Mike W. (published on 07/14/2009) $\begingroup$ Mercury, being a liquid metal - is magnetic. This supposedly generated a disruptive magnetic field which was supposedly manipulated with some type of … When no external magnetic field is present, the fluid is not magnetic and the orientation of the magnetite particles is random. So, you can certainly perturb it - but it will relax. I encountered information describing two hemispherical containers of frozen mercury that were electrically charged on a massive scale and couter-rotated at an unknown rpm. Mercury, despite its small size, has a magnetic field, because it has a conductive liquid core created by its iron composition and friction resulting from its highly elliptical orbit. Direct observations of the magnetic field of Mercury and its magnetosphere, formed by the interaction of the solar wind, were performed twice by the Mariner 10 spacecraft, in March 1974 and again in March 1975.

The mercury is placed inside a wooden disc and at the sides two aluminum wheels and at the center a magnet. The name ferrofluid was introduced, the process improved, more highly magnetic liquids synthesized, additional carrier liquids discovered, and the physical chemistry elucidated by R. E. Rosensweig and colleagues; in addition Rosensweig evolved a new branch of fluid mechanics termed ferrohydrodynamics.

Planetary magnetic fields are generated by flows in the hot, liquid iron cores of the planets.Measurements made by Mariner 10 in 1974/75 showed that Mercury also has a magnetic field. Talc powder was added to make the movements of the liquid more visible. Here we see that all orbitals are full, and all electrons are paired. Earth’s magnetic field is thought to originate in its liquid outer core, and so it makes sense that the same would be true for Mercury. This favorable condition rotates the liquid mercury as it’s an electric conductive metal. In this experiment from Electric Experiments Roobert33, liquid mercury is placed inside a wooden disc. $\endgroup$ – Stian Yttervik Sep 2 '19 at 18:47 We say that mercury is a weakly diamagnetic substance at room temperature. But, since it is a liquid, it cannot hold a static magnetization. Having a molten core and a magnetic field seem to be related. Since Mercury is the only other terrestrial planet we know of with a magnetic field, studying Mercury can help us understand our own planet better.

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