In a new study published in Physical Review Letters, researchers from Japan show that high-frequency plasma waves in the geospace can generate low-frequency plasma waves through wave-particle interactions by heating up low-energy ...
Plasma Physics
Jan 17, 2022
0
511
Why the sun's corona reaches temperatures of several million degrees Celsius is one of the great mysteries of solar physics. A "hot" trail to explain this effect leads to a region of the solar atmosphere just below the corona, ...
Astronomy
Jan 3, 2022
0
1520
Four CubeSats—CubIXSS, SunCET, DYNAGLO, and WindCube—have been selected by NASA's Heliophysics Flight Opportunities in Research and Technology program in cooperation with NASA's Space Weather Science Application. Together, ...
Astronomy
Dec 14, 2021
0
53
Using data on electromagnetic (EM) waves and plasma particles measured simultaneously via multiple satellites, an international collaborative research group has discovered the existence of invisible "propagation path" of ...
Planetary Sciences
Dec 10, 2021
5
539
A University of Alaska Fairbanks scientist has discovered a method for detecting and better defining meteorite impact sites that have long lost their telltale craters. The discovery could further the study of not only Earth's ...
Earth Sciences
Nov 22, 2021
1
1753
In controlled nuclear fusion, heavy isotopes of hydrogen fuse into helium, releasing a huge amount of energy in the process. A large portion of the energy released by a laboratory fusion reaction goes into hot helium ash ...
Plasma Physics
Nov 8, 2021
0
20
The Earth's atmosphere has been used as a 'laboratory' to carry out a physics experiment, in research collaboration involving the University of Strathclyde which could help to improve the performance of GPS.
Space Exploration
Oct 27, 2021
0
29
Nuclear fusion is regarded as the energy of the future. It does not emit CO2, it is safe and it provides a lot of energy that can easily supply large cities with electricity. Nuclear fusion is very interesting in theory, ...
Plasma Physics
Sep 2, 2021
64
80
The same phenomenon that causes aurorae—the magical curtains of green light often visible from the polar regions of the Earth—causes mesospheric ozone layer depletion. This depletion could have significance for global ...
Planetary Sciences
Aug 20, 2021
5
1042
Voyager 1—one of two sibling NASA spacecraft launched 44 years ago and now the most distant human-made object in space—still works and zooms toward infinity.
Astronomy
May 10, 2021
32
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