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The magnetic field of Uranus (animated; 25 March 2020) ... In comparison, the magnetic field of Earth is roughly as strong at either pole, ...
The magnetic flux density does not measure how strong a magnetic field is, but only how strong the magnetic flux is in a given point or at a given distance (usually right above the magnet's surface). For the intrinsic order of magnitude of magnetic fields, see: Orders of magnitude (magnetic moment) .
Much of the knowledge about Uranus was gleaned when NASA's robotic spacecraft Voyager 2 conducted a five-day flyby in 1986. Scientists uncover a magnetic misunderstanding about Uranus Skip to main ...
Their field strengths are intermediate between those of the gas giants and those of the terrestrial planets, being 50 and 25 times that of Earth's, respectively. The equatorial magnetic field strengths of Uranus and Neptune are respectively 75 percent and 45 percent of Earth's 0.305 gauss. [16]
This artist’s concept depicts Uranus's magnetic field before and after the Voyager 2 spacecraft’s flyby of the planet in 1986. So, instead of getting a full picture of Uranus, scientists back ...
The magnetic field traps charged particles and accelerates them to high speeds. The rapidly moving particles release energy in the form of intense radiation that bombards Jupiter’s closest moons.
The magnetic moment of an object is an intrinsic property and does not change with distance, and thus can be used to measure "how strong" a magnet is. For example, Earth possesses an enormous magnetic moment, however we are very distant from its center and experience only a tiny magnetic flux density (measured in tesla ) on its surface.
But Voyager’s flyby set up Uranus to be an outlier of the solar system when the spacecraft showed the planet had a magnetic field nearly devoid of plasma with nothing to feed the electron ...