Tuesday, October 19, 2021
Geomagnetic

Geomagnetic

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This visualization shows the magnetic field around Earth, or the magnetosphere. Earth’s magnetic field origins are still a mystery, a new MIT study finds. Credit: Greg Shirah and Tom Bridgman, NASA/Goddard Space Flight Center Scientific Visualization Studio.
Geomagnetic

Origins of Earth’s magnetic field remain a mystery

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Photomicrographs showing anorthosites with 'correct' and 'wrong' proportions of chromite from the Bushveld Complex, South Africa. Credit: Wits University
Geomagnetic

Researchers unravel the mystery of non-cotectic magmatic rocks

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Earth
Geomagnetic

Earth’s Mantle, Not Its Core, May Have Generated Planet’s Early Magnetic...

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Study co-author Rob Coe and Trevor Duarte orienting cores from a lava flow site recording the Matuyama-Brunhes magnetic polarity reversal in Haleakala National Park, Hawaii, in 2015
Geomagnetic

Earth’s last magnetic field reversal took far longer than once thought

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Earth inside
Geomagnetic

New findings on Earth’s magnetic field

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Visualization of the interior of the Earth's core
Geomagnetic

Geomagnetic jerks finally reproduced and explained

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Map of the locations and depths of the deep low-frequency (DLF) earthquakes beneath the Laacher See Volcano ("Lake Laach Volcano") in Germany. Brittle earthquakes are marked as circles, DLF events as stars. Credit: Hensch et al.
Geomagnetic

Deep low-frequency earthquakes indicate migration of magmatic fluids beneath Laacher See...

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Geomagnetic

The complex history of Earth’s magnetic reversals

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The experiment on La Palma: The laser beam (yellow) generates an artificial guide star in the mesosphere. This light is collected in the receiver telescope (front left). The laser source and the receiver telescope are eight meters away from each other. Credit: Copyright Felipe Pedreros Bustos
Geomagnetic

Earth’s magnetic field measured using artificial stars at 90 kilometers altitude

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Intensity at Earth's surface (left) and radial field (Br) at the CMB (right).
Geomagnetic

Earth’s magnetic field is not about to reverse

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moon's mantle
Geomagnetic

Magma ocean may be responsible for the moon’s early magnetic field

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Earth’s geomagnetic field
Geomagnetic

New data helps explain recent fluctuations in Earth’s magnetic field

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Earth magnetic field
Geomagnetic

Mysterious ‘geomagnetic spike’ 3,000 years ago challenges our understanding of the...

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Geomagnetic

Lunar dynamo’s lifetime extended by at least 1 billion years

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Geomagnetic

Nickel is crucial for Earth’s magnetic field

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Geomagnetic

Study finds Earth’s magnetic field ‘simpler than we thought’

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Geomagnetic

Geophysicist Helps Develop High-Res Map of Earth’s Magnetic Field

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Geomagnetic

Upper part of Earth’s magnetic field reveals details of a dramatic...

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Geomagnetic

‘Quartz’ crystals at Earth’s core power its magnetic field

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Geomagnetic

Ancient jars found in Judea reveal Earth’s magnetic field is fluctuating,...

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