What must be true about Earth's core to generate Earth's magnetic field? D. It must … Planets that have strong magnetic fields also have rapid rotation and convective fluid interior zones that are also good electrical conductors. B.Earth has more layers than any other planet. These go by the acronyms αω, α 2, α 2 ω.
There, the convection of the iron in fusion creates electric currents which maintain and modify the Earth's magnetic field. Deep below ground, the solid core of the Earth generates the planet’s magnetic field.
In a sense, yes.
C. It must be shaped like an ellipsis. It must have minimal gravity forces.
D.No other planet has a solid crust over a moving upper mantle. The Earth is composed of layers having different chemical compositions and different physical properties.
The poles of the Earth's magnetic field are not necessarily aligned to the geographic poles.
According to PBS.org, the outer core, together with the inner core, forms a Coriolis force that perpetually sustains Earth’s geomagnetic structure. C.Earth is the only planet with a magnetic field. by love2sing0216_16402. B.
false. Start studying Astronomy - Chapter 5.
How could he best use these materials? science trimester 3 unit 4 DRAFT. They are currently off by about 10 ∘ ^\circ ∘ degrees and over geological periods of time can flip.
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As the strength of the magnetic field decreases, what happens to the search coil current? The Earth's outer core is in a state of turbulent convection as the result of radioactive heating and chemical differentiation. The planet Mercury also has a large iron core and a magnetic field, though much weaker than Earth's.
5 months ago.
Asked in Physics Which layer of Earth is responsible for creating Earth's magnetic field?A.crust B.outer core … Earth’s magnetic field is governed by the flow of materials in our planet’s core, and it seems that two competing magnetic “blobs” along the outer core are pulling at the magnetic north pole. There are a few different ways to create a magnetic field, as we will see with other planets, but molten iron being churned around in the centre of the planet by Earth’s rotation on its axis is the most likely origin of ours. The __ are two doughnut shaped rings of charged particles trapped by the earths magnetic field.
The magnetic field helps to shield us from harmful solar radiation Those hidden processes in the depths of the Earth are crucial to our daily lives, in a way many of us don't realise. Played 2 times. Wow, that’s interesting. ... What must be true in order for magnetism to induce an electric current in a wire?
20.
The central part of the earths core consists of iron rich liquid, true or false. While Earth and Mars are substantially different from each other, Venus and the Earth are chemically and size-wise quite alike. Van allen radiation belts. The other planets have magnetic fields too. A new study of Earth’s inner core used seismic data from repeating earthquakes, called doublets, to find that refracted waves, blue, rather than reflected waves, purple, change over time – providing the best evidence yet that Earth’s inner core is rotating.
It would make sense for Venus to have an active core like the Earth, then, right? Greenland Rocks Suggest Earth’s Magnetic Field Is Older Than We Thought. Without it, we would be exposed to high amounts of radiation from the Sun and our atmosphere would be free to leak into space.
Earth’s magnetic field is vital to life on our planet. Barnes calculated that the current could not have been decaying for more than 10,000 years, or else its original strength would have been large enough to melt the earth.
The magnetic field is extremely important to sustaining life on Earth.
Magnetic compasses use the magnetic field from the Earth to help people move in the right direction.
That Earth has a strong magnetic field that can also be attributed to a liquid outer core. But in a flat planet, that would have to be replaced by something else.
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