Correcting 50-year-old errors in the math used to understand how electromagnetic waves scatter electrons trapped in Earth's magnetic fields will lead to better protection for technology in space.
Space Exploration
Mar 4, 2024
0
1470
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
The Earth's magnetic field traps high-energy particles. When the first satellites were launched into space, scientists led by James Van Allen unexpectedly discovered the high-energy particle radiation regions, which were ...
Astronomy
Sep 10, 2020
3
292
The use of electric propulsion for raising satellites into geostationary orbit can result in significant solar cell degradation according to a new study. The extended journey results in greater exposure to the damaging effects ...
Space Exploration
Jul 1, 2019
0
2
Two tough, resilient NASA spacecraft have been orbiting Earth for the past six and a half years, flying repeatedly through a hazardous zone of charged particles known as the Van Allen radiation belts. The twin Van Allen Probes ...
Space Exploration
Mar 27, 2019
0
173
Two tough, resilient, NASA spacecraft have been orbiting Earth for the past six and a half years, flying repeatedly through a hazardous zone of charged particles around our planet called the Van Allen radiation belts. The ...
Space Exploration
Feb 12, 2019
3
460
Earth's radiation belts, two doughnut-shaped regions of charged particles encircling our planet, were discovered more than 50 years ago, but their behavior is still not completely understood. Now, new observations from NASA's ...
Space Exploration
Mar 15, 2017
1
39
Researchers from the University of New Hampshire have captured unique measurements of the Van Allen radiation belts, which circle the Earth, during an extremely rare solar wind event. The findings, which have never been reported ...
Space Exploration
Oct 11, 2016
0
0
Our planet is nestled in the center of two immense, concentric doughnuts of powerful radiation: the Van Allen radiation belts, which harbor swarms of charged particles that are trapped by Earth's magnetic field. On March ...
Space Exploration
Aug 15, 2016
0
860
About 600 miles from Earth's surface is the first of two donut-shaped electron swarms, known as the Van Allen Belts, or the radiation belts. Understanding the shape and size of the belts, which can shrink and swell in response ...
Space Exploration
Jan 19, 2016
9
1126
