(Phys.org) —One of the great, unanswered questions for space weather scientists is just what creates two gigantic donuts of radiation surrounding Earth, called the Van Allen radiation belts. Recent data from the Van Allen ...
Space Exploration
Jul 16, 2014
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In a new study that sheds light on space weather's impact on Earth, Dartmouth researchers and their colleagues show for the first time that plasma waves buffeting the planet's radiation belts are responsible for scattering ...
Earth Sciences
Jan 5, 2015
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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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The Kuiper Belt is a massive disk of icy bodies, including Pluto, that is located just outside of Neptune's orbit in our solar system. Objects observed in the Kuiper Belt exhibit a more diversified color range than any other ...
Astronomy
May 31, 2023
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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
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In 2022, NASA's Artemis I mission will send a spacecraft capable of supporting a human crew to the moon for the first time in almost 50 years. On this uncrewed test flight, it will be the twin measuring mannequins Helga and ...
Space Exploration
May 3, 2022
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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
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Scientists using the Cassini spacecraft's Magnetospheric Imaging instrument (MIMI) have detected a new, temporary radiation belt at Saturn, located around the orbit of its moon Dione at about 377 000 km from the center ...
Space Exploration
Sep 14, 2009
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Scientists have discovered a new, persistent structure in Earth's inner radiation belt using data from the twin NASA Van Allen Probes spacecraft.
Space Exploration
Mar 19, 2014
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A European spacecraft rocketed away Friday on a decadelong quest to explore Jupiter and three of its icy moons that could hold buried oceans.
Space Exploration
Apr 14, 2023
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