News tagged with atmospheric physics

Dense hydrogen in a new light

( —Hydrogen is the most abundant element in the universe. The way it responds under extreme pressures and temperatures is crucial to our understanding of matter and the nature of hydrogen-rich planets.

dateJun 03, 2013 in Condensed Matter
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Probing hydrogen under extreme conditions

( -- How hydrogen--the most abundant element in the cosmos--responds to extremes of pressure and temperature is one of the major challenges in modern physical science. Moreover, knowledge gleaned from experiments ...

dateApr 13, 2012 in Condensed Matter
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A new kind of metal in the deep Earth

( -- The crushing pressures and intense temperatures in Earth's deep interior squeeze atoms and electrons so closely together that they interact very differently. With depth materials change. New experiments and ...

dateDec 19, 2011 in Condensed Matter
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Noctilucent clouds get an early start

Every summer, something strange and wonderful happens high above the north pole. Ice crystals begin to cling to the smoky remains of meteors, forming electric-blue clouds with tendrils that ripple hypnotically against the ...

dateJun 10, 2013 in Earth Sciences
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Solar variability and terrestrial climate

(—In the galactic scheme of things, the Sun is a remarkably constant star. While some stars exhibit dramatic pulsations, wildly yo-yoing in size and brightness, and sometimes even exploding, the luminosity of ...

dateJan 11, 2013 in Space Exploration
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