21Sep 2022 by Nigel Fleming No Comments

linkedin post 2020-12-16 05:25:19

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ISOTROPIC HOMOGENEITY. “Observations show that the universe is nearly isotropic on very large scales. It is much more difficult to show that the universe is radially homogeneous, that is, independent of the distance from us, or, equivalently, that the universe is isotropic about distant points. This is usually taken as an axiom, since otherwise we would occupy a special position.” https://lnkd.in/dXsyjGJ View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments
linkedin post 2020-12-17 04:23:53

linkedin post 2020-12-17 04:23:53

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LUMINOUS OUTPUT. “The region encircling the magnetic poles where the current systems flow is also called the auroral oval, as this is the region where particles precipitating from the plasma sheet and colliding with atmospheric atoms and molecules create visible auroral light.” https://link.springer.com/article/10.12942/lrsp-2007-1 View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments
linkedin post 2020-12-17 04:26:33

linkedin post 2020-12-17 04:26:33

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PARTICULATE TORUS. “The upward extension of the ionosphere, the plasmasphere, is a torus filled with low-energy (around 1 eV), dense (10–1000cm−3) plasma originating from the ionosphere. The plasmasphere consists mostly of protons, with singly charged helium accounting for about 20% of the number density.” https://link.springer.com/article/10.12942/lrsp-2007-1 View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments
linkedin post 2020-12-17 04:27:53

linkedin post 2020-12-17 04:27:53

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GIANT TORUS. “The radius of the torus is variable, but typically the plasmasphere extends close to geostationary orbit, being more compressed during geomagnetically active times and more extended during long periods of magnetic quiescence.” https://link.springer.com/article/10.12942/lrsp-2007-1 View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments

linkedin post 2020-12-17 04:28:58

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THE SLENDER REMAINDER. “More is unknown than is known. We know how much dark energy there is because we know how it affects the universe's expansion. Other than that, it is a complete mystery. But it is an important mystery. It turns out that roughly 68% of the universe is dark energy. Dark matter makes up about 27%. The rest - everything on Earth, everything ever observed with all of our instruments, all normal matter - adds up to less than 5% of the universe.” This is our reality. https://lnkd.in/dZz7Cr7 View in LinkedIn
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