Auroras are natural luminous phenomena caused by the interaction of electrons falling from the sky and the upper atmosphere. Most of the observed light consists of emission lines of neutral or ionized nitrogen and oxygen ...
Planetary Sciences
Aug 2, 2024
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10
MIT physicists and colleagues report new insights into exotic particles key to a form of magnetism that has attracted growing interest because it originates from ultrathin materials only a few atomic layers thick. The work, ...
General Physics
Aug 1, 2024
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254
A team led by researchers from the California NanoSystems Institute at UCLA has designed a unique material based on a conventional superconductor—that is, a substance that enables electrons to travel through it with zero ...
Superconductivity
Jul 31, 2024
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203
Scientific studies have filled the pages of AGU journals for more than a century. These articles reveal how the study of geophysics has evolved alongside technology and societal interests and they tell the story of our expanding ...
Earth Sciences
Jul 31, 2024
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17
The sun rotates the fastest at the equator, whereas the rotation rate slows down at higher latitudes and is the slowest at the polar regions. But a nearby sun-like star—V889 Herculis, some 115 light years away in the constellation ...
Astronomy
Jul 31, 2024
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159
By diving into the sun's corona, NASA's Parker Solar Probe has ruled out S-shaped bends in the sun's magnetic field as a cause of the corona's searing temperatures, according to University of Michigan research published in ...
Astronomy
Jul 30, 2024
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260
Massive explosions on the sun have triggered warnings of geomagnetic storms that could create dazzling auroras in the northern United States, Europe and southern Australia from Tuesday night.
Planetary Sciences
Jul 30, 2024
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215
In copper-containing materials called cuprates, superconductivity competes with two properties called magnetic spin and electric charge density wave (CDW) order. These properties reveal different parts of the electrons in ...
Superconductivity
Jul 30, 2024
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126
If net-positive fusion energy is to ever be achieved, density is key: the more atomic nuclei crashing into each other, the more efficient the reaction will be. Nearly 40 years ago, Martin Greenwald identified a density limit ...
Plasma Physics
Jul 30, 2024
1
23
In a new study published in The Astrophysical Journal, a researcher from The University of Alabama in Huntsville (UAH), a part of the University of Alabama System, explores critical aspects of a phenomenon called kinetic ...
Astronomy
Jul 29, 2024
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