400 kilometers above Earth, researchers examined waves in complex plasma under microgravity conditions and found that the microparticles behaved in nonuniform ways in the presence of varying electrical fields. They report ...
Plasma Physics
Aug 7, 2018
0
105
New research from NASA's Cassini spacecraft's up-close Grand Finale orbits shows a surprisingly powerful and dynamic interaction of plasma waves moving from Saturn to its rings and its moon Enceladus. The observations show ...
Space Exploration
Jul 10, 2018
35
938
Space is not empty, nor is it silent. While technically a vacuum, space nonetheless contains energetic charged particles, governed by magnetic and electric fields, and it behaves unlike anything we experience on Earth. In ...
Space Exploration
Jul 17, 2017
8
2659
Throughout the universe, supersonic shock waves propel cosmic rays and supernova particles to velocities near the speed of light. The most high-energy of these astrophysical shocks occur too far outside the solar system to ...
Plasma Physics
Jul 14, 2017
198
308
In a new study researchers at the Swedish Institute of Space Physics have used measurements from NASA's MMS (Magnetospheric MultiScale) satellites to reveal that there are ripples, or surface waves, moving along the surface ...
General Physics
Oct 17, 2016
44
78
A new study by researchers at Embry-Riddle Aeronautical University, funded by the National Science Foundation, has identified for the first time a process by which the solar wind is heated along extended regions of the Earth's ...
Plasma Physics
Sep 6, 2016
2
51
Physicists led by Gerrit Kramer at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have conducted simulations that suggest that applying magnetic fields to fusion plasmas can control instabilities ...
Plasma Physics
Aug 15, 2016
2
35
Among the intriguing issues in plasma physics are those surrounding X-ray pulsars—collapsed stars that orbit around a cosmic companion and beam light at regular intervals, like lighthouses in the sky. Physicists want to ...
Plasma Physics
Jul 29, 2016
35
2087
Most systems in nature are inherently nonlinear, meaning that their response to any external excitation is not proportional to the strength of the applied stimulus. Nonlinearities are observed, for example, in macroscopic ...
Plasma Physics
Jul 11, 2016
2
64
A team led by scientists from the University of California, Los Angeles and the Department of Energy's SLAC National Accelerator Laboratory has reached another milestone in developing a promising technology for accelerating ...
General Physics
Jun 3, 2016
6
92
