News tagged with liquid core

Turbulence in planetary cores excited by tides

Veritable shields against high-energy particles, planets' magnetic fields are produced by iron moving in their liquid core. Yet the dominant model for explaining this system does not fit the smallest celestial bodies. Researchers ...

dateJul 24, 2017 in General Physics
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Probing the possibility of life on super-Earths

Along with its aesthetic function of helping create the glorious Aurora Borealis, or Northern Lights, the powerful magnetic field surrounding our planet has a fairly important practical value as well: It makes life possible.

dateJun 19, 2017 in Astronomy
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Does Jupiter have a solid core?

The gas giants have always been a mystery to us. Due their dense and swirling clouds, it is impossible to get a good look inside them and determine their true structure. Given their distance from Earth, it is time-consuming ...

dateMay 08, 2017 in Space Exploration
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Research journey to the center of the Earth

Researchers in Japan say they may be one step closer to solving a mystery at the core of the Earth. It has long been established that approximately 85 percent of the Earth's core is made of iron, while nickel makes up an ...

dateFeb 01, 2017 in Earth Sciences
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Liquid acoustics half way to the Earth's core

The most direct information about the interior of the earth comes from measuring how seismic acoustic waves—such as those created by earthquakes—travel through the earth. Those measurements show that 95% of the earth's ...

dateNov 24, 2015 in Earth Sciences
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