Scientists at the University of Rochester have discovered that the Earth's magnetic field 3.5 billion years ago was only half as strong as it is today, and that this weakness, coupled with a strong wind of energetic particles ...
Earth Sciences
Mar 4, 2010
3
0
(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness high above the ...
Space Exploration
Nov 24, 2009
1
0
(PhysOrg.com) -- When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system.
Space Exploration
Nov 20, 2009
1
0
Like a supersonic jet being blasted with high-speed winds, Earth is constantly being bombarded by a stream of charged particles from the sun known as solar wind.
Planetary Sciences
Aug 2, 2024
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195
New discoveries about Jupiter could lead to a better understanding of Earth's own space environment and influence a long-running scientific debate about the solar system's largest planet.
Planetary Sciences
May 6, 2024
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31
BepiColombo, the joint European Space Agency (ESA) and Japanese Aerospace Exploration Agency (JAXA) mission, has revealed how electrons raining down onto the surface of Mercury can trigger high-energy auroras.
Space Exploration
Jul 18, 2023
0
108
A team led by Southwest Research Institute (SwRI) and The University of Texas at San Antonio (UTSA) has found that NASA's Juno spacecraft orbiting Jupiter frequently encounters giant swirling waves at the boundary between ...
Planetary Sciences
Jul 17, 2023
0
427
Researchers from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences, under the direction of Prof. Wang Rongsheng and Prof. Lu Quanming, used data from the Magnetospheric Multiscale ...
Astronomy
Dec 2, 2022
0
151
A magnetosphere forms around any magnetized object, such as a planet, that is immersed within a stream of ionized gas, called plasma. Because Earth possesses an intrinsic magnetic field, the planet is surrounded by a large ...
Planetary Sciences
Apr 12, 2022
1
133
The SwRI-led Ultraviolet Spectrograph (UVS) orbiting Jupiter aboard NASA's Juno spacecraft has detected new faint aurora features, characterized by ring-like emissions, which expand rapidly over time. SwRI scientists determined ...
Planetary Sciences
Mar 29, 2021
1
150
