US EditionThere's a Link Between the Earth's Atmosphere and Its Magnetic Field
2 Articles
2 Articles
There's a Link Between the Earth's Atmosphere and its Magnetic Field
The Earth's magnetosphere is a giant magnetic field that arises from the flow of material deep inside the planet. Because the flow of material isn't constant, the strength and shape of the magnetosphere can change over geologic time. But researchers have found that changes in the magnetosphere seem to be correlated with fluctuations in the amount of oxygen in the Earth's atmosphere. Both could be responding to a single underlying process.
Researchers analyze fossil data and magnetic footprints on oxygen levels and the geomagnetic field in rocks to establish this correlation, which could be key to understanding vital conditions on other planets A study conducted by scientists at NASA's Goddard Space Flight Center identified a possible relationship between two fundamental Earth phenomena: the magnetic field and atmospheric oxygen. Research indicates that both have evolved in parall…
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