The Earth's magnetic field plays a big role in protecting people from hazardous radiation and geomagnetic activity that could affect satellite communication and the operation of power grids. And it moves.
Planetary Sciences
Nov 28, 2023
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47
A new study shows that there is greater local variation in the impact of solar storms on Earth than previously estimated. Researchers show that the effects can vary widely even over distances as small as 100 kilometers. The ...
Planetary Sciences
Nov 27, 2023
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243
A study from an international team led by researchers from Nagoya University in Japan and the University of New Hampshire in the United States has revealed the importance of the Earth's upper atmosphere in determining how ...
Planetary Sciences
Oct 30, 2023
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330
The world is unprepared for the next big storm from outer space, an overwhelming majority of scientists agree.
Astronomy
Jul 25, 2023
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35
High-energy 'relativistic' electrons—so-called "killer" electrons—are a major source of radiation damage to satellites and so understanding their patterns of activity is crucial. Bursts of charged particles and magnetic ...
Planetary Sciences
Jun 15, 2023
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40
New models of how the geomagnetic field that shields the Earth's atmosphere from cosmic rays has changed over tens of thousands of years can help us understand how the climate has changed over a similar timescale.
Planetary Sciences
Jun 6, 2023
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8
In July 1982, train signals in Sweden misfired and erroneously turned red. The culprit, believe it or not, was a space storm that started 150 million kilometers (93 million miles) away.
Planetary Sciences
Mar 31, 2023
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457
A geomagnetic field is generated in Earth's interior and extends into outer space to protect Earth from cosmic radiation and the charged particles of solar wind. The magnetic field is generated by the convection of charged ...
Planetary Sciences
Mar 31, 2023
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114
People across the UK, from the Shetland Islands to Somerset and from Norfolk to Northern Ireland, have been treated to a stunning display of the aurora borealis or northern lights recently. But what causes this beautiful ...
Planetary Sciences
Mar 3, 2023
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15
Scientists at the Skolkovo Institute of Science and Technology (Russia), together with colleagues from the Leibniz Institute for Astrophysics (Germany), the University of Graz & the Kanzelhöhe Observatory (Austria), the ...
Astronomy
Jan 24, 2023
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121
