UCLA scientists have discovered a new source of super-fast, energetic electrons raining down on Earth, a phenomenon that contributes to the colorful aurora borealis but also poses hazards to satellites, spacecraft and astronauts.
Planetary Sciences
Mar 30, 2022
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(Phys.org)—Observations of wind patterns and natural radiation patterns on Mars by NASA's Curiosity rover are helping scientists better understand the environment on the Red Planet's surface.
Space Exploration
Nov 15, 2012
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UCLA researchers have explained the puzzling disappearing act of energetic electrons in Earth's outer radiation belt, using data collected from a fleet of orbiting spacecraft.
General Physics
Jan 29, 2012
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Increases in air pollution and other particulate matter in the atmosphere can strongly affect cloud development in ways that reduce precipitation in dry regions or seasons, while increasing rain, snowfall and the intensity ...
Earth Sciences
Nov 13, 2011
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(PhysOrg.com) -- Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun's impact on Earth over the course of the 11-year solar cycle. The study, ...
Space Exploration
Sep 17, 2009
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Through analyses of ice cores from Greenland and Antarctica, a research team led by Lund University in Sweden has found evidence of an extreme solar storm that occurred about 9,200 years ago. What puzzles the researchers ...
Planetary Sciences
Jan 26, 2022
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Could lava tubes, caves, or subsurface habitats offer safe refuge for future astronauts on Mars? Scientists with NASA's Curiosity Mars rover team are helping explore questions like that with the Radiation Assessment Detector, ...
Space Exploration
Nov 16, 2021
0
96
A new analytic model for calculating the effective thermal conductivity of planetary regolith allows scientists to better understand the connections between the physical and thermal properties of planetary surfaces and the ...
Space Exploration
Jul 29, 2020
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24
How can the world combat the continued rise in global temperatures? How about shading the Earth from a portion of the sun's heat by injecting the stratosphere with reflective aerosols? After all, volcanoes do essentially ...
Earth Sciences
Jun 2, 2020
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87
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
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