WebApr 1, 2024 · magnetic field, a vector field in the neighbourhood of a magnet, electric current, or changing electric field, in which magnetic forces are observable. Magnetic fields such as that of Earth cause magnetic compass needles and other permanent magnets to line up in the direction of the field. Magnetic fields force moving electrically charged … WebJan 5, 2012 · The magnetic field makes the Earth act like a huge magnet so it attracts like one. That's why it pulls the magnetized needle in a compass and makes it point in the general direction of the North Pole.
NASA - Earth
WebOct 13, 2024 · Earth formed a molten iron core. Its movement generates electricity, leading to planet-wide magnetic orientation. Scientists can track the magnetic history of our … WebEarth is a very big magnet-. A magnetic needle suspended horizontally by a thread freely always points north and south poles of the earth. An iron bar pivoted vertically on the … chart johnson\u0026johnson
How magnetism manifests in the universe - Phys.org
WebMay 28, 2024 · Is the world a big magnet? The biggest magnet on the planet is the earth itself. Like every magnet, the earth has a north pole and a south pole. … The magnetic poles are close to what we call the North and South poles. What is the heaviest magnet on Earth? Answer 2: The strongest magnet ever build is 22-foot tall and weights 34 tons. It was ... Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from Earth's interior out into space, where it interacts with the solar wind, a stream of charged particles emanating from the Sun. The magnetic field is generated by electric currents due to the motion of convection currents of a mixture of molten iron and nickel in Earth's outer core: these convection current… WebSo: Could a planet with a similar habitable surface to earth but with double the surface area, the same magnetic field and the same gravity exist, and would having it have habitable hollow spaces within the mantle and or a larger thicker crust be possible and be a helpful way of achieving less mass making it possible for earth like gravity to ... chart lukoil