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  2. Birkeland current - Wikipedia

    en.wikipedia.org/wiki/Birkeland_current

    Schematic of the Birkeland or Field-Aligned Currents and the ionospheric current systems they connect to, Pedersen and Hall currents. [1]A Birkeland current (also known as field-aligned current, FAC) is a set of electrical currents that flow along geomagnetic field lines connecting the Earth's magnetosphere to the Earth's high latitude ionosphere.

  3. Electro-galvanic oxygen sensor - Wikipedia

    en.wikipedia.org/wiki/Electro-galvanic_oxygen_sensor

    This voltage depends on the construction and age of the sensor, and typically varies between 7 and 28 mV for a P O 2 of 0.21 bar [1] Diffusion is linearly dependent on the partial pressure gradient, but is also temperature dependent, and the current rises about two to three percent per kelvin rise in temperature.

  4. Magnetohydrodynamics - Wikipedia

    en.wikipedia.org/wiki/Magnetohydrodynamics

    Researchers have developed global models using MHD to simulate phenomena within Earth's magnetosphere, such as the location of Earth's magnetopause [24] (the boundary between the Earth's magnetic field and the solar wind), the formation of the ring current, auroral electrojets, [25] and geomagnetically induced currents.

  5. Magnetospheric electric convection field - Wikipedia

    en.wikipedia.org/wiki/Magnetospheric_electric...

    The impact of the solar wind onto the magnetosphere generates an electric field within the inner magnetosphere (r < 10 a; with a the Earth's radius) - the convection field. [1] Its general direction is from dawn to dusk. The co-rotating thermal plasma within the inner magnetosphere drifts orthogonal to that field and to the geomagnetic field B o.

  6. IMAGE (spacecraft) - Wikipedia

    en.wikipedia.org/wiki/IMAGE_(spacecraft)

    Diagram of IMAGE spacecraft Launch of IMAGE spacecraft aboard of Delta 277.. IMAGE was the first spacecraft dedicated to imaging the Earth's magnetosphere. [10] IMAGE was a spacecraft developed by the Medium-class Explorer (MIDEX) program, and it was the first spacecraft dedicated to observing the magnetosphere of the Earth, producing comprehensive global images of plasma in the inner ...

  7. Magnetospheric Multiscale Mission - Wikipedia

    en.wikipedia.org/wiki/Magnetospheric_Multiscale...

    The Magnetospheric Multiscale (MMS) Mission is a NASA robotic space mission to study the Earth's magnetosphere, using four identical spacecraft flying in a tetrahedral formation. [1] The spacecraft were launched on 13 March 2015 at 02:44 UTC. [2]

  8. Refinance rates for Friday , December 6, 2024 - AOL

    www.aol.com/finance/mortgage-and-refinance-rates...

    The current average rate for a 30-year fixed mortgage is 6.78% for purchase and 6.75% for refinance, a drop of 13 basis points from 6.91% for purchase and 17 basis points from 6.92% for refinance ...

  9. Magnetic reconnection - Wikipedia

    en.wikipedia.org/wiki/Magnetic_reconnection

    Magnetic reconnection is a breakdown of "ideal-magnetohydrodynamics" and so of "Alfvén's theorem" (also called the "frozen-in flux theorem") which applies to large-scale regions of a highly-conducting magnetoplasma, for which the Magnetic Reynolds Number is very large: this makes the convective term in the induction equation dominate in such regions.

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